23940660 has 48 divisors (see below), whose sum is σ = 69350400. Its totient is φ = 6163584.

The previous prime is 23940659. The next prime is 23940767. The reversal of 23940660 is 6604932.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 5140 + ... + 8619.

It is an arithmetic number, because the mean of its divisors is an integer number (1444800).

Almost surely, 2^23940660 is an apocalyptic number.

23940660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23940660 is an abundant number, since it is smaller than the sum of its proper divisors (45409740).

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

23940660 is a wasteful number, since it uses less digits than its factorization.

23940660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13800 (or 13798 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 30.

The square root of 23940660 is about 4892.9193739525. The cubic root of 23940660 is about 288.2119870579.

The spelling of 23940660 in words is "twenty-three million, nine hundred forty thousand, six hundred sixty".