16406976 has 28 divisors (see below), whose sum is σ = 43410632. Its totient is φ = 5468928.

The previous prime is 16406963. The next prime is 16406977. The reversal of 16406976 is 67960461.

16406976 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×16406976² = 538377722929152, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16406977) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42535 + ... + 42918.

Almost surely, 2^16406976 is an apocalyptic number.

16406976 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

16406976 is an abundant number, since it is smaller than the sum of its proper divisors (27003656).

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

16406976 is an equidigital number, since it uses as much as digits as its factorization.

16406976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85468 (or 85458 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 39.

The square root of 16406976 is about 4050.5525548991. The cubic root of 16406976 is about 254.1028372310.

The spelling of 16406976 in words is "sixteen million, four hundred six thousand, nine hundred seventy-six".