4035420 has 120 divisors (see below), whose sum is σ = 13172544. Its totient is φ = 1033344.

The previous prime is 4035403. The next prime is 4035431. The reversal of 4035420 is 245304.

It is a happy number.

It is a super-2 number, since 2×4035420² = 32569229152800, 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 = 4035393 and 4035402.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 76114 + ... + 76166.

Almost surely, 2^4035420 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 4035420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6586272).

4035420 is an abundant number, since it is smaller than the sum of its proper divisors (9137124).

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

4035420 is a wasteful number, since it uses less digits than its factorization.

4035420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121 (or 110 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 4035420 is about 2008.8354835576. The cubic root of 4035420 is about 159.2072768405.

The spelling of 4035420 in words is "four million, thirty-five thousand, four hundred twenty".