16946957 has 4 divisors (see below), whose sum is σ = 16961376. Its totient is φ = 16932540.

The previous prime is 16946953. The next prime is 16946971. The reversal of 16946957 is 75964961.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 75964961 = 43 ⋅1766627.

It is a cyclic number.

It is not a de Polignac number, because 16946957 - 2² = 16946953 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 (16946953) 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, 5273 + ... + 7854.

It is an arithmetic number, because the mean of its divisors is an integer number (4240344).

Almost surely, 2^16946957 is an apocalyptic number.

It is an amenable number.

16946957 is a deficient number, since it is larger than the sum of its proper divisors (14419).

16946957 is a wasteful number, since it uses less digits than its factorization.

16946957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14418.

The product of its digits is 408240, while the sum is 47.

The square root of 16946957 is about 4116.6681916326. The cubic root of 16946957 is about 256.8604520308.

The spelling of 16946957 in words is "sixteen million, nine hundred forty-six thousand, nine hundred fifty-seven".