32256420 has 48 divisors (see below), whose sum is σ = 103221888. Its totient is φ = 7372800.

The previous prime is 32256409. The next prime is 32256443. The reversal of 32256420 is 2465223.

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, 37981 + ... + 38820.

It is an arithmetic number, because the mean of its divisors is an integer number (2150456).

Almost surely, 2^32256420 is an apocalyptic number.

32256420 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

32256420 is an abundant number, since it is smaller than the sum of its proper divisors (70965468).

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

32256420 is a wasteful number, since it uses less digits than its factorization.

32256420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76820 (or 76818 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 32256420 is about 5679.4735671539. The cubic root of 32256420 is about 318.3259582428.

The spelling of 32256420 in words is "thirty-two million, two hundred fifty-six thousand, four hundred twenty".