16840964 has 24 divisors (see below), whose sum is σ = 33878208. Its totient is φ = 7175520.

The previous prime is 16840963. The next prime is 16840969. The reversal of 16840964 is 46904861.

It is not an unprimeable number, because it can be changed into a prime (16840963) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3407 + ... + 6729.

It is an arithmetic number, because the mean of its divisors is an integer number (1411592).

Almost surely, 2^16840964 is an apocalyptic number.

16840964 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

16840964 is an abundant number, since it is smaller than the sum of its proper divisors (17037244).

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

16840964 is a wasteful number, since it uses less digits than its factorization.

16840964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3515 (or 3513 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 16840964 is about 4103.7743602688. The cubic root of 16840964 is about 256.3238292918.

The spelling of 16840964 in words is "sixteen million, eight hundred forty thousand, nine hundred sixty-four".