2315400 has 96 divisors (see below), whose sum is σ = 7633440. Its totient is φ = 578560.

The previous prime is 2315399. The next prime is 2315407. The reversal of 2315400 is 45132.

It is a super-2 number, since 2×2315400² = 10722154320000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 2315400.

It is not an unprimeable number, because it can be changed into a prime (2315407) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10087 + ... + 10313.

It is an arithmetic number, because the mean of its divisors is an integer number (79515).

2^2315400 is an apocalyptic number.

2315400 is a gapful number since it is divisible by the number (20) 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 2315400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3816720).

2315400 is an abundant number, since it is smaller than the sum of its proper divisors (5318040).

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

2315400 is a wasteful number, since it uses less digits than its factorization.

2315400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263 (or 254 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 2315400 is about 1521.6438479487. The cubic root of 2315400 is about 132.2945671411.

The spelling of 2315400 in words is "two million, three hundred fifteen thousand, four hundred".