190957497 has 8 divisors (see below), whose sum is σ = 255008544. Its totient is φ = 127105728.

The previous prime is 190957493. The next prime is 190957499. The reversal of 190957497 is 794759091.

It is a happy number.

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

It is not a de Polignac number, because 190957497 - 2² = 190957493 is a prime.

It is not an unprimeable number, because it can be changed into a prime (190957493) 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, 47568 + ... + 51425.

It is an arithmetic number, because the mean of its divisors is an integer number (31876068).

Almost surely, 2^190957497 is an apocalyptic number.

It is an amenable number.

190957497 is a deficient number, since it is larger than the sum of its proper divisors (64051047).

190957497 is an equidigital number, since it uses as much as digits as its factorization.

190957497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99639.

The product of its (nonzero) digits is 714420, while the sum is 51.

The square root of 190957497 is about 13818.7371709574. The cubic root of 190957497 is about 575.8538010270.

The spelling of 190957497 in words is "one hundred ninety million, nine hundred fifty-seven thousand, four hundred ninety-seven".