192991413 has 8 divisors (see below), whose sum is σ = 268509888. Its totient is φ = 123066944.

The previous prime is 192991411. The next prime is 192991441. The reversal of 192991413 is 314199291.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 192991413 - 2¹ = 192991411 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (192991411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1398420 + ... + 1398557.

It is an arithmetic number, because the mean of its divisors is an integer number (33563736).

Almost surely, 2^192991413 is an apocalyptic number.

It is an amenable number.

192991413 is a deficient number, since it is larger than the sum of its proper divisors (75518475).

192991413 is a wasteful number, since it uses less digits than its factorization.

192991413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2797003.

The product of its digits is 17496, while the sum is 39.

The square root of 192991413 is about 13892.1349331195. The cubic root of 192991413 is about 577.8910857070.

The spelling of 192991413 in words is "one hundred ninety-two million, nine hundred ninety-one thousand, four hundred thirteen".