23949470 has 16 divisors (see below), whose sum is σ = 43370208. Its totient is φ = 9521760.

The previous prime is 23949469. The next prime is 23949479. The reversal of 23949470 is 7494932.

It is a super-2 number, since 2×23949470² = 1147154226561800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23949479) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5501 + ... + 8840.

It is an arithmetic number, because the mean of its divisors is an integer number (2710638).

Almost surely, 2^23949470 is an apocalyptic number.

23949470 is a deficient number, since it is larger than the sum of its proper divisors (19420738).

23949470 is a wasteful number, since it uses less digits than its factorization.

23949470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14515.

The product of its (nonzero) digits is 54432, while the sum is 38.

The square root of 23949470 is about 4893.8195716638. The cubic root of 23949470 is about 288.2473360723.

The spelling of 23949470 in words is "twenty-three million, nine hundred forty-nine thousand, four hundred seventy".