2315439 has 16 divisors (see below), whose sum is σ = 3920640. Its totient is φ = 1323000.

The previous prime is 2315413. The next prime is 2315461. The reversal of 2315439 is 9345132.

It is not a de Polignac number, because 2315439 - 2⁵ = 2315407 is a prime.

It is a super-2 number, since 2×2315439² = 10722515525442, which contains 22 as substring.

It is a Smith number, since the sum of its digits (27) 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 (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2315039) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5937 + ... + 6314.

It is an arithmetic number, because the mean of its divisors is an integer number (245040).

2^2315439 is an apocalyptic number.

2315439 is a deficient number, since it is larger than the sum of its proper divisors (1605201).

2315439 is a wasteful number, since it uses less digits than its factorization.

2315439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12267 (or 12261 counting only the distinct ones).

The product of its digits is 3240, while the sum is 27.

The square root of 2315439 is about 1521.6566629828. The cubic root of 2315439 is about 132.2953099154.

The spelling of 2315439 in words is "two million, three hundred fifteen thousand, four hundred thirty-nine".