32002890 has 32 divisors (see below), whose sum is σ = 80148096. Its totient is φ = 8162880.

The previous prime is 32002853. The next prime is 32002903. The reversal of 32002890 is 9820023.

It is a self number, because there is not a number n which added to its sum of digits gives 32002890.

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, 22501 + ... + 23880.

It is an arithmetic number, because the mean of its divisors is an integer number (2504628).

Almost surely, 2^32002890 is an apocalyptic number.

32002890 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

32002890 is an abundant number, since it is smaller than the sum of its proper divisors (48145206).

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

32002890 is a wasteful number, since it uses less digits than its factorization.

32002890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46414.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 32002890 is about 5657.1096860499. The cubic root of 32002890 is about 317.4897675831.

The spelling of 32002890 in words is "thirty-two million, two thousand, eight hundred ninety".