1239340948 has 12 divisors (see below), whose sum is σ = 2221745652. Its totient is φ = 604556480.

The previous prime is 1239340939. The next prime is 1239340951. The reversal of 1239340948 is 8490439321.

It can be written as a sum of positive squares in 2 ways, for example, as 614940804 + 624400144 = 24798^2 + 24988^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3778315 + ... + 3778642.

It is an arithmetic number, because the mean of its divisors is an integer number (185145471).

Almost surely, 2^1239340948 is an apocalyptic number.

It is an amenable number.

1239340948 is a deficient number, since it is larger than the sum of its proper divisors (982404704).

1239340948 is a wasteful number, since it uses less digits than its factorization.

1239340948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7557002 (or 7557000 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 43.

The square root of 1239340948 is about 35204.2745700007. The cubic root of 1239340948 is about 1074.1467028512.

The spelling of 1239340948 in words is "one billion, two hundred thirty-nine million, three hundred forty thousand, nine hundred forty-eight".