2438690 has 24 divisors (see below), whose sum is σ = 4598748. Its totient is φ = 931040.

The previous prime is 2438671. The next prime is 2438693. The reversal of 2438690 is 968342.

It can be written as a sum of positive squares in 2 ways, for example, as 2374681 + 64009 = 1541^2 + 253^2 .

It is a super-2 number, since 2×2438690² = 11894417832200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2438693) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5060 + ... + 5520.

2^2438690 is an apocalyptic number.

2438690 is a deficient number, since it is larger than the sum of its proper divisors (2160058).

2438690 is a wasteful number, since it uses less digits than its factorization.

2438690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 514 (or 491 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 2438690 is about 1561.6305581027. The cubic root of 2438690 is about 134.6022126725.

The spelling of 2438690 in words is "two million, four hundred thirty-eight thousand, six hundred ninety".