23916984 has 128 divisors (see below), whose sum is σ = 75479040. Its totient is φ = 6147072.

The previous prime is 23916983. The next prime is 23917001. The reversal of 23916984 is 48961932.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23916983) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 102532 + ... + 102764.

It is an arithmetic number, because the mean of its divisors is an integer number (589680).

Almost surely, 2^23916984 is an apocalyptic number.

23916984 is a gapful number since it is divisible by the number (24) 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 23916984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37739520).

23916984 is an abundant number, since it is smaller than the sum of its proper divisors (51562056).

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

23916984 is a wasteful number, since it uses less digits than its factorization.

23916984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309 (or 305 counting only the distinct ones).

The product of its digits is 93312, while the sum is 42.

The square root of 23916984 is about 4890.4993610060. The cubic root of 23916984 is about 288.1169471041.

The spelling of 23916984 in words is "twenty-three million, nine hundred sixteen thousand, nine hundred eighty-four".