2549390 has 32 divisors (see below), whose sum is σ = 4860000. Its totient is φ = 961408.

The previous prime is 2549387. The next prime is 2549423. The reversal of 2549390 is 939452.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17036 + ... + 17184.

It is an arithmetic number, because the mean of its divisors is an integer number (151875).

2^2549390 is an apocalyptic number.

2549390 is a deficient number, since it is larger than the sum of its proper divisors (2310610).

2549390 is a wasteful number, since it uses less digits than its factorization.

2549390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244.

The product of its (nonzero) digits is 9720, while the sum is 32.

The square root of 2549390 is about 1596.6809324345. The cubic root of 2549390 is about 136.6088260759.

The spelling of 2549390 in words is "two million, five hundred forty-nine thousand, three hundred ninety".