32996978 has 8 divisors (see below), whose sum is σ = 56566272. Its totient is φ = 14141556.

The previous prime is 32996963. The next prime is 32996993. The reversal of 32996978 is 87969923.

It is an interprime number because it is at equal distance from previous prime (32996963) and next prime (32996993).

It is a sphenic number, since it is the product of 3 distinct primes.

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, 1178450 + ... + 1178477.

It is an arithmetic number, because the mean of its divisors is an integer number (7070784).

Almost surely, 2^32996978 is an apocalyptic number.

32996978 is a deficient number, since it is larger than the sum of its proper divisors (23569294).

32996978 is a wasteful number, since it uses less digits than its factorization.

32996978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2356936.

The product of its digits is 1469664, while the sum is 53.

The square root of 32996978 is about 5744.2996091778. The cubic root of 32996978 is about 320.7436416212.

The spelling of 32996978 in words is "thirty-two million, nine hundred ninety-six thousand, nine hundred seventy-eight".