2489690 has 24 divisors (see below), whose sum is σ = 5214132. Its totient is φ = 853440.

The previous prime is 2489687. The next prime is 2489713. The reversal of 2489690 is 969842.

It can be written as a sum of positive squares in 2 ways, for example, as 2307361 + 182329 = 1519^2 + 427^2 .

It is a super-2 number, since 2×2489690² = 12397112592200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2051 + ... + 3030.

2^2489690 is an apocalyptic number.

2489690 is an abundant number, since it is smaller than the sum of its proper divisors (2724442).

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

2489690 is a wasteful number, since it uses less digits than its factorization.

2489690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5102 (or 5095 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 2489690 is about 1577.8751534897. The cubic root of 2489690 is about 135.5340527968.

The spelling of 2489690 in words is "two million, four hundred eighty-nine thousand, six hundred ninety".