16864976 has 10 divisors (see below), whose sum is σ = 32675922. Its totient is φ = 8432480.

The previous prime is 16864943. The next prime is 16864993. The reversal of 16864976 is 67946861.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 16192576 + 672400 = 4024^2 + 820^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 16864976.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 527015 + ... + 527046.

Almost surely, 2^16864976 is an apocalyptic number.

16864976 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

16864976 is a deficient number, since it is larger than the sum of its proper divisors (15810946).

16864976 is a wasteful number, since it uses less digits than its factorization.

16864976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1054069 (or 1054063 counting only the distinct ones).

The product of its digits is 435456, while the sum is 47.

The square root of 16864976 is about 4106.6989176223. The cubic root of 16864976 is about 256.4455943897.

The spelling of 16864976 in words is "sixteen million, eight hundred sixty-four thousand, nine hundred seventy-six".