1238797388 has 18 divisors (see below), whose sum is σ = 2266253724. Its totient is φ = 592467304.

The previous prime is 1238797369. The next prime is 1238797403. The reversal of 1238797388 is 8837978321.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 290606 + ... + 294837.

Almost surely, 2^1238797388 is an apocalyptic number.

It is an amenable number.

1238797388 is a deficient number, since it is larger than the sum of its proper divisors (1027456336).

1238797388 is a wasteful number, since it uses less digits than its factorization.

1238797388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 585493 (or 585468 counting only the distinct ones).

The product of its digits is 4064256, while the sum is 56.

The square root of 1238797388 is about 35196.5536381050. The cubic root of 1238797388 is about 1073.9896439557.

The spelling of 1238797388 in words is "one billion, two hundred thirty-eight million, seven hundred ninety-seven thousand, three hundred eighty-eight".