23994620 has 72 divisors (see below), whose sum is σ = 56568960. Its totient is φ = 8536320.

The previous prime is 23994617. The next prime is 23994623. The reversal of 23994620 is 2649932.

It is an interprime number because it is at equal distance from previous prime (23994617) and next prime (23994623).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23994623) 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 23 ways as a sum of consecutive naturals, for example, 104666 + ... + 104894.

It is an arithmetic number, because the mean of its divisors is an integer number (785680).

Almost surely, 2^23994620 is an apocalyptic number.

23994620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23994620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28284480).

23994620 is an abundant number, since it is smaller than the sum of its proper divisors (32574340).

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

23994620 is a wasteful number, since it uses less digits than its factorization.

23994620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 295 (or 280 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 35.

The square root of 23994620 is about 4898.4303608401. The cubic root of 23994620 is about 288.4283588322.

The spelling of 23994620 in words is "twenty-three million, nine hundred ninety-four thousand, six hundred twenty".