16243974 has 24 divisors (see below), whose sum is σ = 37048440. Its totient is φ = 5129568.

The previous prime is 16243961. The next prime is 16243979. The reversal of 16243974 is 47934261.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16243979) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23407 + ... + 24090.

It is an arithmetic number, because the mean of its divisors is an integer number (1543685).

Almost surely, 2^16243974 is an apocalyptic number.

16243974 is an abundant number, since it is smaller than the sum of its proper divisors (20804466).

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

16243974 is a wasteful number, since it uses less digits than its factorization.

16243974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47524 (or 47521 counting only the distinct ones).

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

The square root of 16243974 is about 4030.3813715330. The cubic root of 16243974 is about 253.2585378607.

The spelling of 16243974 in words is "sixteen million, two hundred forty-three thousand, nine hundred seventy-four".