1382890392 has 192 divisors, whose sum is σ = 4206864480. Its totient is φ = 407586816.

The previous prime is 1382890373. The next prime is 1382890409. The reversal of 1382890392 is 2930982831.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2527863 + ... + 2528409.

Almost surely, 2^1382890392 is an apocalyptic number.

1382890392 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1382890392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2103432240).

1382890392 is an abundant number, since it is smaller than the sum of its proper divisors (2823974088).

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

1382890392 is a wasteful number, since it uses less digits than its factorization.

1382890392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 682 (or 675 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 45.

The square root of 1382890392 is about 37187.2342612354. The cubic root of 1382890392 is about 1114.1130289173.

The spelling of 1382890392 in words is "one billion, three hundred eighty-two million, eight hundred ninety thousand, three hundred ninety-two".