16423974 has 24 divisors (see below), whose sum is σ = 40669200. Its totient is φ = 4692528.

The previous prime is 16423973. The next prime is 16423987. The reversal of 16423974 is 47932461.

16423974 is a `hidden beast` number, since 1 + 642 + 3 + 9 + 7 + 4 = 666.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16423973) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 65049 + ... + 65300.

It is an arithmetic number, because the mean of its divisors is an integer number (1694550).

Almost surely, 2^16423974 is an apocalyptic number.

16423974 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

16423974 is an abundant number, since it is smaller than the sum of its proper divisors (24245226).

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

16423974 is a wasteful number, since it uses less digits than its factorization.

16423974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130364 (or 130361 counting only the distinct ones).

The product of its digits is 36288, while the sum is 36.

The square root of 16423974 is about 4052.6502439762. The cubic root of 16423974 is about 254.1905590487.

The spelling of 16423974 in words is "sixteen million, four hundred twenty-three thousand, nine hundred seventy-four".