190032312 has 32 divisors (see below), whose sum is σ = 479984400. Its totient is φ = 62690304.

The previous prime is 190032277. The next prime is 190032317. The reversal of 190032312 is 213230091.

It is a happy number.

It is a super-2 number, since 2×190032312² = 72224559208130688, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190032317) 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, 38487 + ... + 43142.

Almost surely, 2^190032312 is an apocalyptic number.

190032312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

190032312 is an abundant number, since it is smaller than the sum of its proper divisors (289952088).

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

190032312 is a wasteful number, since it uses less digits than its factorization.

190032312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81735 (or 81731 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 21.

The square root of 190032312 is about 13785.2207816923. The cubic root of 190032312 is about 574.9222952336.

The spelling of 190032312 in words is "one hundred ninety million, thirty-two thousand, three hundred twelve".