16976493 has 8 divisors (see below), whose sum is σ = 25150400. Its totient is φ = 11317644.

The previous prime is 16976467. The next prime is 16976503. The reversal of 16976493 is 39467961.

It is not a de Polignac number, because 16976493 - 2⁶ = 16976429 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16976413) 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, 314353 + ... + 314406.

It is an arithmetic number, because the mean of its divisors is an integer number (3143800).

Almost surely, 2^16976493 is an apocalyptic number.

It is an amenable number.

16976493 is a deficient number, since it is larger than the sum of its proper divisors (8173907).

16976493 is an equidigital number, since it uses as much as digits as its factorization.

16976493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 628768 (or 628762 counting only the distinct ones).

The product of its digits is 244944, while the sum is 45.

The square root of 16976493 is about 4120.2539970249. The cubic root of 16976493 is about 257.0095884829.

The spelling of 16976493 in words is "sixteen million, nine hundred seventy-six thousand, four hundred ninety-three".