2315409 has 8 divisors (see below), whose sum is σ = 3101952. Its totient is φ = 1536240.

The previous prime is 2315407. The next prime is 2315413. The reversal of 2315409 is 9045132.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2315409 - 2¹ = 2315407 is a prime.

It is a super-2 number, since 2×2315409² = 10722237674562, which contains 22 as substring.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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 7 ways as a sum of consecutive naturals, for example, 1062 + ... + 2399.

It is an arithmetic number, because the mean of its divisors is an integer number (387744).

2^2315409 is an apocalyptic number.

It is an amenable number.

2315409 is a deficient number, since it is larger than the sum of its proper divisors (786543).

2315409 is a wasteful number, since it uses less digits than its factorization.

2315409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3687.

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 2315409 is about 1521.6468052738. The cubic root of 2315409 is about 132.2947385513.

The spelling of 2315409 in words is "two million, three hundred fifteen thousand, four hundred nine".