190931996 has 12 divisors (see below), whose sum is σ = 335064240. Its totient is φ = 95199360.

The previous prime is 190931963. The next prime is 190931999. The reversal of 190931996 is 699139091.

It is a super-3 number, since 3×190931996³ (a number of 26 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 190931996.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190931999) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65045 + ... + 67916.

It is an arithmetic number, because the mean of its divisors is an integer number (27922020).

Almost surely, 2^190931996 is an apocalyptic number.

It is an amenable number.

190931996 is a deficient number, since it is larger than the sum of its proper divisors (144132244).

190931996 is a wasteful number, since it uses less digits than its factorization.

190931996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133324 (or 133322 counting only the distinct ones).

The product of its (nonzero) digits is 118098, while the sum is 47.

The square root of 190931996 is about 13817.8144436810. The cubic root of 190931996 is about 575.8281661750.

The spelling of 190931996 in words is "one hundred ninety million, nine hundred thirty-one thousand, nine hundred ninety-six".