383140692 has 180 divisors, whose sum is σ = 1142281140. Its totient is φ = 111767040.

The previous prime is 383140691. The next prime is 383140697. The reversal of 383140692 is 296041383.

It can be written as a sum of positive squares in 2 ways, for example, as 150700176 + 232440516 = 12276^2 + 15246^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (383140691) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 1136748 + ... + 1137084.

Almost surely, 2^383140692 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 383140692, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (571140570).

383140692 is an abundant number, since it is smaller than the sum of its proper divisors (759140448).

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

383140692 is a wasteful number, since it uses less digits than its factorization.

383140692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 404 (or 382 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 383140692 is about 19573.9799734239. The cubic root of 383140692 is about 726.3056564202.

The spelling of 383140692 in words is "three hundred eighty-three million, one hundred forty thousand, six hundred ninety-two".