2515998 has 16 divisors (see below), whose sum is σ = 5080320. Its totient is φ = 830616.

The previous prime is 2515967. The next prime is 2516021. The reversal of 2515998 is 8995152.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1318 + ... + 2601.

It is an arithmetic number, because the mean of its divisors is an integer number (317520).

2^2515998 is an apocalyptic number.

2515998 is an abundant number, since it is smaller than the sum of its proper divisors (2564322).

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

2515998 is a wasteful number, since it uses less digits than its factorization.

2515998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4031.

The product of its digits is 32400, while the sum is 39.

The square root of 2515998 is about 1586.1897742704. The cubic root of 2515998 is about 136.0097671763.

The spelling of 2515998 in words is "two million, five hundred fifteen thousand, nine hundred ninety-eight".