4046420 has 36 divisors (see below), whose sum is σ = 9887220. Its totient is φ = 1387008.

The previous prime is 4046401. The next prime is 4046423. The reversal of 4046420 is 246404.

It can be written as a sum of positive squares in 2 ways, for example, as 1844164 + 2202256 = 1358^2 + 1484^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 4046392 and 4046401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4046423) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1085 + ... + 3044.

It is an arithmetic number, because the mean of its divisors is an integer number (274645).

Almost surely, 2^4046420 is an apocalyptic number.

It is an amenable number.

4046420 is an abundant number, since it is smaller than the sum of its proper divisors (5840800).

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

4046420 is a wasteful number, since it uses less digits than its factorization.

4046420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4152 (or 4143 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 4046420 is about 2011.5715249526. The cubic root of 4046420 is about 159.3518046469.

The spelling of 4046420 in words is "four million, forty-six thousand, four hundred twenty".