2598978 has 32 divisors (see below), whose sum is σ = 5460480. Its totient is φ = 823680.

The previous prime is 2598971. The next prime is 2598983. The reversal of 2598978 is 8798952.

It is a happy number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2598971) 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, 16476 + ... + 16632.

It is an arithmetic number, because the mean of its divisors is an integer number (170640).

2^2598978 is an apocalyptic number.

2598978 is an abundant number, since it is smaller than the sum of its proper divisors (2861502).

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

2598978 is a wasteful number, since it uses less digits than its factorization.

2598978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282.

The product of its digits is 362880, while the sum is 48.

The square root of 2598978 is about 1612.1346097643. The cubic root of 2598978 is about 137.4888674182.

The spelling of 2598978 in words is "two million, five hundred ninety-eight thousand, nine hundred seventy-eight".