16972446 has 8 divisors (see below), whose sum is σ = 33944904. Its totient is φ = 5657480.

The previous prime is 16972429. The next prime is 16972463. The reversal of 16972446 is 64427961.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (16972429) and next prime (16972463).

It is a sphenic number, since it is the product of 3 distinct primes.

16972446 is an admirable number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1414365 + ... + 1414376.

It is an arithmetic number, because the mean of its divisors is an integer number (4243113).

Almost surely, 2^16972446 is an apocalyptic number.

16972446 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

16972446 is a wasteful number, since it uses less digits than its factorization.

16972446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2828746.

The product of its digits is 72576, while the sum is 39.

The square root of 16972446 is about 4119.7628572528. The cubic root of 16972446 is about 256.9891641532.

The spelling of 16972446 in words is "sixteen million, nine hundred seventy-two thousand, four hundred forty-six".