2639475 has 18 divisors (see below), whose sum is σ = 4727996. Its totient is φ = 1407600.

The previous prime is 2639447. The next prime is 2639477. The reversal of 2639475 is 5749362.

It is not a de Polignac number, because 2639475 - 2¹³ = 2631283 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2639477) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 5641 + ... + 6090.

2^2639475 is an apocalyptic number.

2639475 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2639475 is a deficient number, since it is larger than the sum of its proper divisors (2088521).

2639475 is a wasteful number, since it uses less digits than its factorization.

2639475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11747 (or 11739 counting only the distinct ones).

The product of its digits is 45360, while the sum is 36.

The square root of 2639475 is about 1624.6461153125. The cubic root of 2639475 is about 138.1993024469.

The spelling of 2639475 in words is "two million, six hundred thirty-nine thousand, four hundred seventy-five".