16978482 has 12 divisors (see below), whose sum is σ = 36786750. Its totient is φ = 5659488.

The previous prime is 16978459. The next prime is 16978487. The reversal of 16978482 is 28487961.

16978482 is a `hidden beast` number, since 169 + 7 + 8 + 482 = 666.

It can be written as a sum of positive squares in only one way, i.e., 16966161 + 12321 = 4119^2 + 111^2 .

It is not an unprimeable number, because it can be changed into a prime (16978487) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 471607 + ... + 471642.

Almost surely, 2^16978482 is an apocalyptic number.

16978482 is an abundant number, since it is smaller than the sum of its proper divisors (19808268).

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

16978482 is a wasteful number, since it uses less digits than its factorization.

16978482 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 943257 (or 943254 counting only the distinct ones).

The product of its digits is 193536, while the sum is 45.

The square root of 16978482 is about 4120.4953585704. The cubic root of 16978482 is about 257.0196253440.

The spelling of 16978482 in words is "sixteen million, nine hundred seventy-eight thousand, four hundred eighty-two".