2598646 has 4 divisors (see below), whose sum is σ = 3897972. Its totient is φ = 1299322.

The previous prime is 2598613. The next prime is 2598653. The reversal of 2598646 is 6468952.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×2598646² = 13505922066632, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2598599 and 2598608.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 649660 + ... + 649663.

It is an arithmetic number, because the mean of its divisors is an integer number (974493).

2^2598646 is an apocalyptic number.

2598646 is a deficient number, since it is larger than the sum of its proper divisors (1299326).

2598646 is a wasteful number, since it uses less digits than its factorization.

2598646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1299325.

The product of its digits is 103680, while the sum is 40.

The square root of 2598646 is about 1612.0316374067. The cubic root of 2598646 is about 137.4830127775.

The spelling of 2598646 in words is "two million, five hundred ninety-eight thousand, six hundred forty-six".