23949396 has 36 divisors (see below), whose sum is σ = 64101492. Its totient is φ = 7513344.

The previous prime is 23949383. The next prime is 23949407. The reversal of 23949396 is 69394932.

It can be written as a sum of positive squares in 2 ways, for example, as 21344400 + 2604996 = 4620^2 + 1614^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18955 + ... + 20178.

It is an arithmetic number, because the mean of its divisors is an integer number (1780597).

Almost surely, 2^23949396 is an apocalyptic number.

It is an amenable number.

23949396 is an abundant number, since it is smaller than the sum of its proper divisors (40152096).

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

23949396 is a wasteful number, since it uses less digits than its factorization.

23949396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39160 (or 39155 counting only the distinct ones).

The product of its digits is 314928, while the sum is 45.

The square root of 23949396 is about 4893.8120111014. The cubic root of 23949396 is about 288.2470391928.

The spelling of 23949396 in words is "twenty-three million, nine hundred forty-nine thousand, three hundred ninety-six".