1383386772 has 24 divisors (see below), whose sum is σ = 3233884192. Its totient is φ = 460274400.

The previous prime is 1383386759. The next prime is 1383386831. The reversal of 1383386772 is 2776833831.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100054 + ... + 113037.

Almost surely, 2^1383386772 is an apocalyptic number.

1383386772 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1383386772 is an abundant number, since it is smaller than the sum of its proper divisors (1850497420).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1383386772 is a wasteful number, since it uses less digits than its factorization.

1383386772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213639 (or 213637 counting only the distinct ones).

The product of its digits is 1016064, while the sum is 48.

The square root of 1383386772 is about 37193.9077269383. The cubic root of 1383386772 is about 1114.2463143108.

The spelling of 1383386772 in words is "one billion, three hundred eighty-three million, three hundred eighty-six thousand, seven hundred seventy-two".