23769856 has 72 divisors (see below), whose sum is σ = 54157824. Its totient is φ = 10306560.

The previous prime is 23769829. The next prime is 23769857. The reversal of 23769856 is 65896732.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23769857) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64585 + ... + 64951.

It is an arithmetic number, because the mean of its divisors is an integer number (752192).

Almost surely, 2^23769856 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23769856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27078912).

23769856 is an abundant number, since it is smaller than the sum of its proper divisors (30387968).

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

23769856 is a wasteful number, since it uses less digits than its factorization.

23769856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 417 (or 403 counting only the distinct ones).

The product of its digits is 544320, while the sum is 46.

The square root of 23769856 is about 4875.4339294057. The cubic root of 23769856 is about 287.5249369674.

The spelling of 23769856 in words is "twenty-three million, seven hundred sixty-nine thousand, eight hundred fifty-six".