2390115 has 64 divisors (see below), whose sum is σ = 5031936. Its totient is φ = 940032.

The previous prime is 2390111. The next prime is 2390117. The reversal of 2390115 is 5110932.

It is a Cunningham number, because it is equal to 1546²-1.

It is not a de Polignac number, because 2390115 - 2² = 2390111 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 2390091 and 2390100.

It is not an unprimeable number, because it can be changed into a prime (2390111) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 23154 + ... + 23256.

It is an arithmetic number, because the mean of its divisors is an integer number (78624).

2^2390115 is an apocalyptic number.

2390115 is an abundant number, since it is smaller than the sum of its proper divisors (2641821).

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

2390115 is a wasteful number, since it uses less digits than its factorization.

2390115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148.

The product of its (nonzero) digits is 270, while the sum is 21.

The square root of 2390115 is about 1545.9996765847. Note that the first 3 decimals coincide. The cubic root of 2390115 is about 133.7025219437.

The spelling of 2390115 in words is "two million, three hundred ninety thousand, one hundred fifteen".