17942944 has 24 divisors (see below), whose sum is σ = 36862560. Its totient is φ = 8581056.

The previous prime is 17942929. The next prime is 17942959. The reversal of 17942944 is 44924971.

It is an interprime number because it is at equal distance from previous prime (17942929) and next prime (17942959).

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 17942897 and 17942906.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11454 + ... + 12925.

It is an arithmetic number, because the mean of its divisors is an integer number (1535940).

Almost surely, 2^17942944 is an apocalyptic number.

It is an amenable number.

17942944 is an abundant number, since it is smaller than the sum of its proper divisors (18919616).

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

17942944 is a wasteful number, since it uses less digits than its factorization.

17942944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24412 (or 24404 counting only the distinct ones).

The product of its digits is 72576, while the sum is 40.

The square root of 17942944 is about 4235.9112360860. The cubic root of 17942944 is about 261.7969407338.

The spelling of 17942944 in words is "seventeen million, nine hundred forty-two thousand, nine hundred forty-four".