2315418 has 32 divisors (see below), whose sum is σ = 5477760. Its totient is φ = 638400.

The previous prime is 2315413. The next prime is 2315461. The reversal of 2315418 is 8145132.

It is a super-2 number, since 2×2315418² = 10722321029448, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2315413) 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, 268 + ... + 2168.

It is an arithmetic number, because the mean of its divisors is an integer number (171180).

2^2315418 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2315418, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2738880).

2315418 is an abundant number, since it is smaller than the sum of its proper divisors (3162342).

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

2315418 is a wasteful number, since it uses less digits than its factorization.

2315418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1942.

The product of its digits is 960, while the sum is 24.

The square root of 2315418 is about 1521.6497625932. The cubic root of 2315418 is about 132.2949099611.

The spelling of 2315418 in words is "two million, three hundred fifteen thousand, four hundred eighteen".