23940416 has 14 divisors (see below), whose sum is σ = 47506890. Its totient is φ = 11970176.

The previous prime is 23940383. The next prime is 23940421. The reversal of 23940416 is 61404932.

It can be written as a sum of positive squares in only one way, i.e., 15178816 + 8761600 = 3896^2 + 2960^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 186971 + ... + 187098.

Almost surely, 2^23940416 is an apocalyptic number.

It is an amenable number.

23940416 is a deficient number, since it is larger than the sum of its proper divisors (23566474).

23940416 is an equidigital number, since it uses as much as digits as its factorization.

23940416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374081 (or 374071 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 23940416 is about 4892.8944398996. The cubic root of 23940416 is about 288.2110079153.

The spelling of 23940416 in words is "twenty-three million, nine hundred forty thousand, four hundred sixteen".