16974336 has 80 divisors (see below), whose sum is σ = 46452384. Its totient is φ = 5505024.

The previous prime is 16974311. The next prime is 16974341. The reversal of 16974336 is 63347961.

It is a junction number, because it is equal to n+sod(n) for n = 16974294 and 16974303.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65920 + ... + 66176.

Almost surely, 2^16974336 is an apocalyptic number.

16974336 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16974336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23226192).

16974336 is an abundant number, since it is smaller than the sum of its proper divisors (29478048).

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

16974336 is an equidigital number, since it uses as much as digits as its factorization.

16974336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321 (or 305 counting only the distinct ones).

The product of its digits is 81648, while the sum is 39.

The square root of 16974336 is about 4119.9922330024. The cubic root of 16974336 is about 256.9987029766.

The spelling of 16974336 in words is "sixteen million, nine hundred seventy-four thousand, three hundred thirty-six".