23964420 has 48 divisors (see below), whose sum is σ = 67370688. Its totient is φ = 6364800.

The previous prime is 23964397. The next prime is 23964431. The reversal of 23964420 is 2446932.

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

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17770 + ... + 19070.

It is an arithmetic number, because the mean of its divisors is an integer number (1403556).

Almost surely, 2^23964420 is an apocalyptic number.

23964420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23964420 is an abundant number, since it is smaller than the sum of its proper divisors (43406268).

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

23964420 is a wasteful number, since it uses less digits than its factorization.

23964420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1620 (or 1618 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 30.

The square root of 23964420 is about 4895.3467701482. The cubic root of 23964420 is about 288.3073012312.

The spelling of 23964420 in words is "twenty-three million, nine hundred sixty-four thousand, four hundred twenty".