16957340 has 24 divisors (see below), whose sum is σ = 35704032. Its totient is φ = 6765120.

The previous prime is 16957337. The next prime is 16957357. The reversal of 16957340 is 4375961.

It is a self number, because there is not a number n which added to its sum of digits gives 16957340.

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 7 ways as a sum of consecutive naturals, for example, 8870 + ... + 10610.

It is an arithmetic number, because the mean of its divisors is an integer number (1487668).

Almost surely, 2^16957340 is an apocalyptic number.

16957340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16957340 is an abundant number, since it is smaller than the sum of its proper divisors (18746692).

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

16957340 is a wasteful number, since it uses less digits than its factorization.

16957340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2237 (or 2235 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 35.

The square root of 16957340 is about 4117.9290911816. The cubic root of 16957340 is about 256.9128987639.

The spelling of 16957340 in words is "sixteen million, nine hundred fifty-seven thousand, three hundred forty".