4032420 has 48 divisors (see below), whose sum is σ = 12905088. Its totient is φ = 921600.

The previous prime is 4032409. The next prime is 4032433. The reversal of 4032420 is 242304.

It is a happy number.

It is a super-2 number, since 2×4032420² = 32520822112800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 4032420.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4381 + ... + 5220.

It is an arithmetic number, because the mean of its divisors is an integer number (268856).

Almost surely, 2^4032420 is an apocalyptic number.

It is an amenable number.

4032420 is an abundant number, since it is smaller than the sum of its proper divisors (8872668).

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

4032420 is a wasteful number, since it uses less digits than its factorization.

4032420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9620 (or 9618 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 15.

The square root of 4032420 is about 2008.0886434617. The cubic root of 4032420 is about 159.1678145923.

Adding to 4032420 its reverse (242304), we get a palindrome (4274724).

The spelling of 4032420 in words is "four million, thirty-two thousand, four hundred twenty".