191383792 has 10 divisors (see below), whose sum is σ = 370806128. Its totient is φ = 95691888.

The previous prime is 191383781. The next prime is 191383799. The reversal of 191383792 is 297383191.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (191383799) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5980728 + ... + 5980759.

Almost surely, 2^191383792 is an apocalyptic number.

It is an amenable number.

191383792 is a deficient number, since it is larger than the sum of its proper divisors (179422336).

191383792 is a wasteful number, since it uses less digits than its factorization.

191383792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11961495 (or 11961489 counting only the distinct ones).

The product of its digits is 81648, while the sum is 43.

The square root of 191383792 is about 13834.1531002082. The cubic root of 191383792 is about 576.2819960495.

The spelling of 191383792 in words is "one hundred ninety-one million, three hundred eighty-three thousand, seven hundred ninety-two".