1382399836 has 6 divisors (see below), whose sum is σ = 2419199720. Its totient is φ = 691199916.

The previous prime is 1382399831. The next prime is 1382399849. The reversal of 1382399836 is 6389932831.

It is a super-2 number, since 2×1382399836² = 3822058613145653792, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1382399831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172799976 + ... + 172799983.

Almost surely, 2^1382399836 is an apocalyptic number.

It is an amenable number.

1382399836 is a deficient number, since it is larger than the sum of its proper divisors (1036799884).

1382399836 is a wasteful number, since it uses less digits than its factorization.

1382399836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 345599963 (or 345599961 counting only the distinct ones).

The product of its digits is 1679616, while the sum is 52.

The square root of 1382399836 is about 37180.6379181423. The cubic root of 1382399836 is about 1113.9812760149.

The spelling of 1382399836 in words is "one billion, three hundred eighty-two million, three hundred ninety-nine thousand, eight hundred thirty-six".