2315620 has 12 divisors (see below), whose sum is σ = 4862844. Its totient is φ = 926240.

The previous prime is 2315611. The next prime is 2315629. The reversal of 2315620 is 265132.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2315611) and next prime (2315629).

It can be written as a sum of positive squares in 2 ways, for example, as 1454436 + 861184 = 1206^2 + 928^2 .

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (2315629) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57871 + ... + 57910.

It is an arithmetic number, because the mean of its divisors is an integer number (405237).

2^2315620 is an apocalyptic number.

2315620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2315620 is an abundant number, since it is smaller than the sum of its proper divisors (2547224).

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

2315620 is a wasteful number, since it uses less digits than its factorization.

2315620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115790 (or 115788 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 2315620 is about 1521.7161364722. The cubic root of 2315620 is about 132.2987570410.

The spelling of 2315620 in words is "two million, three hundred fifteen thousand, six hundred twenty".