23962840 has 48 divisors (see below), whose sum is σ = 59275440. Its totient is φ = 8712000.

The previous prime is 23962831. The next prime is 23962853. The reversal of 23962840 is 4826932.

It is a Smith number, since the sum of its digits (34) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 23962796 and 23962805.

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 11 ways as a sum of consecutive naturals, for example, 2365 + ... + 7315.

It is an arithmetic number, because the mean of its divisors is an integer number (1234905).

Almost surely, 2^23962840 is an apocalyptic number.

23962840 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 23962840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29637720).

23962840 is an abundant number, since it is smaller than the sum of its proper divisors (35312600).

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

23962840 is a wasteful number, since it uses less digits than its factorization.

23962840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4984 (or 4969 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 23962840 is about 4895.1853897478. The cubic root of 23962840 is about 288.3009649551.

The spelling of 23962840 in words is "twenty-three million, nine hundred sixty-two thousand, eight hundred forty".