190995320 has 16 divisors (see below), whose sum is σ = 429739560. Its totient is φ = 76398112.

The previous prime is 190995319. The next prime is 190995347. The reversal of 190995320 is 23599091.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2387402 + ... + 2387481.

Almost surely, 2^190995320 is an apocalyptic number.

190995320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

190995320 is an abundant number, since it is smaller than the sum of its proper divisors (238744240).

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

190995320 is a wasteful number, since it uses less digits than its factorization.

190995320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4774894 (or 4774890 counting only the distinct ones).

The product of its (nonzero) digits is 21870, while the sum is 38.

The square root of 190995320 is about 13820.1056435904. The cubic root of 190995320 is about 575.8918183534.

The spelling of 190995320 in words is "one hundred ninety million, nine hundred ninety-five thousand, three hundred twenty".