23486740 has 12 divisors (see below), whose sum is σ = 49322196. Its totient is φ = 9394688.

The previous prime is 23486737. The next prime is 23486761. The reversal of 23486740 is 4768432.

It can be written as a sum of positive squares in 2 ways, for example, as 17405584 + 6081156 = 4172^2 + 2466^2 .

It is a junction number, because it is equal to n+sod(n) for n = 23486696 and 23486705.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 587149 + ... + 587188.

It is an arithmetic number, because the mean of its divisors is an integer number (4110183).

Almost surely, 2^23486740 is an apocalyptic number.

23486740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23486740 is an abundant number, since it is smaller than the sum of its proper divisors (25835456).

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

23486740 is a wasteful number, since it uses less digits than its factorization.

23486740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1174346 (or 1174344 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 34.

The square root of 23486740 is about 4846.3119998613. The cubic root of 23486740 is about 286.3788319353.

The spelling of 23486740 in words is "twenty-three million, four hundred eighty-six thousand, seven hundred forty".