4017420 has 72 divisors (see below), whose sum is σ = 13300560. Its totient is φ = 973440.

The previous prime is 4017407. The next prime is 4017427. The reversal of 4017420 is 247104.

It is a happy number.

4017420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×4017420² = 32279326912800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 4017393 and 4017402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4017427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 966 + ... + 2994.

It is an arithmetic number, because the mean of its divisors is an integer number (184730).

Almost surely, 2^4017420 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4017420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6650280).

4017420 is an abundant number, since it is smaller than the sum of its proper divisors (9283140).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4017420 is a wasteful number, since it uses less digits than its factorization.

4017420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2055 (or 2050 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 18.

The square root of 4017420 is about 2004.3502687904. The cubic root of 4017420 is about 158.9702092044.

The spelling of 4017420 in words is "four million, seventeen thousand, four hundred twenty".