2439970 has 24 divisors (see below), whose sum is σ = 4764564. Its totient is φ = 894336.

The previous prime is 2439953. The next prime is 2439977. The reversal of 2439970 is 799342.

It can be written as a sum of positive squares in 6 ways, for example, as 793881 + 1646089 = 891^2 + 1283^2 .

It is not an unprimeable number, because it can be changed into a prime (2439977) 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, 17742 + ... + 17878.

2^2439970 is an apocalyptic number.

2439970 is a deficient number, since it is larger than the sum of its proper divisors (2324594).

2439970 is a wasteful number, since it uses less digits than its factorization.

2439970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294 (or 157 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 34.

The square root of 2439970 is about 1562.0403323858. The cubic root of 2439970 is about 134.6257581959.

The spelling of 2439970 in words is "two million, four hundred thirty-nine thousand, nine hundred seventy".