16934957 has 4 divisors (see below), whose sum is σ = 18237660. Its totient is φ = 15632256.

The previous prime is 16934917. The next prime is 16934963. The reversal of 16934957 is 75943961.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 75943961 = 337 ⋅225353.

It can be written as a sum of positive squares in 2 ways, for example, as 3200521 + 13734436 = 1789^2 + 3706^2 .

It is a cyclic number.

It is not a de Polignac number, because 16934957 - 2¹⁶ = 16869421 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 (16934917) 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, 651332 + ... + 651357.

It is an arithmetic number, because the mean of its divisors is an integer number (4559415).

Almost surely, 2^16934957 is an apocalyptic number.

It is an amenable number.

16934957 is a deficient number, since it is larger than the sum of its proper divisors (1302703).

16934957 is a wasteful number, since it uses less digits than its factorization.

16934957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1302702.

The product of its digits is 204120, while the sum is 44.

The square root of 16934957 is about 4115.2104441936. The cubic root of 16934957 is about 256.7998107952.

The spelling of 16934957 in words is "sixteen million, nine hundred thirty-four thousand, nine hundred fifty-seven".