32988040 has 16 divisors (see below), whose sum is σ = 74223180. Its totient is φ = 13195200.

The previous prime is 32988037. The next prime is 32988073. The reversal of 32988040 is 4088923.

It can be written as a sum of positive squares in 2 ways, for example, as 31292836 + 1695204 = 5594^2 + 1302^2 .

It is a junction number, because it is equal to n+sod(n) for n = 32987987 and 32988005.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 412311 + ... + 412390.

Almost surely, 2^32988040 is an apocalyptic number.

It is an amenable number.

32988040 is an abundant number, since it is smaller than the sum of its proper divisors (41235140).

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

32988040 is a wasteful number, since it uses less digits than its factorization.

32988040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 824712 (or 824708 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 32988040 is about 5743.5215678188. The cubic root of 32988040 is about 320.7146787107.

The spelling of 32988040 in words is "thirty-two million, nine hundred eighty-eight thousand, forty".