1383691472 has 40 divisors (see below), whose sum is σ = 2865191616. Its totient is φ = 645049856.

The previous prime is 1383691469. The next prime is 1383691483. The reversal of 1383691472 is 2741963831.

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, 5333 + ... + 52875.

Almost surely, 2^1383691472 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1383691472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1432595808).

1383691472 is an abundant number, since it is smaller than the sum of its proper divisors (1481500144).

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

1383691472 is a wasteful number, since it uses less digits than its factorization.

1383691472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47675 (or 47669 counting only the distinct ones).

The product of its digits is 217728, while the sum is 44.

The square root of 1383691472 is about 37198.0036023440. The cubic root of 1383691472 is about 1114.3281149890.

The spelling of 1383691472 in words is "one billion, three hundred eighty-three million, six hundred ninety-one thousand, four hundred seventy-two".