23791464 has 48 divisors (see below), whose sum is σ = 65503620. Its totient is φ = 7799040.

The previous prime is 23791463. The next prime is 23791489. The reversal of 23791464 is 46419732.

It can be written as a sum of positive squares in 2 ways, for example, as 17288964 + 6502500 = 4158^2 + 2550^2 .

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (23791463) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1684 + ... + 7100.

Almost surely, 2^23791464 is an apocalyptic number.

23791464 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 23791464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32751810).

23791464 is an abundant number, since it is smaller than the sum of its proper divisors (41712156).

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

23791464 is a wasteful number, since it uses less digits than its factorization.

23791464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5490 (or 5483 counting only the distinct ones).

The product of its digits is 36288, while the sum is 36.

The square root of 23791464 is about 4877.6494338974. The cubic root of 23791464 is about 287.6120354784.

The spelling of 23791464 in words is "twenty-three million, seven hundred ninety-one thousand, four hundred sixty-four".