32900240 has 20 divisors (see below), whose sum is σ = 76493244. Its totient is φ = 13160064.

The previous prime is 32900221. The next prime is 32900249. The reversal of 32900240 is 4200923.

It can be written as a sum of positive squares in 2 ways, for example, as 4682896 + 28217344 = 2164^2 + 5312^2 .

It is a tau number, because it is divible by the number of its divisors (20).

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

It is not an unprimeable number, because it can be changed into a prime (32900249) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 205547 + ... + 205706.

Almost surely, 2^32900240 is an apocalyptic number.

It is an amenable number.

32900240 is an abundant number, since it is smaller than the sum of its proper divisors (43593004).

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

32900240 is a wasteful number, since it uses less digits than its factorization.

32900240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 411266 (or 411260 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 32900240 is about 5735.8730808832. The cubic root of 32900240 is about 320.4298909719.

The spelling of 32900240 in words is "thirty-two million, nine hundred thousand, two hundred forty".