190885944 has 32 divisors (see below), whose sum is σ = 488315520. Its totient is φ = 62148576.

The previous prime is 190885939. The next prime is 190885957. The reversal of 190885944 is 449588091.

It is a super-2 number, since 2×190885944² = 72874887233542272, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 190885893 and 190885902.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91452 + ... + 93515.

It is an arithmetic number, because the mean of its divisors is an integer number (15259860).

Almost surely, 2^190885944 is an apocalyptic number.

It is an amenable number.

190885944 is an abundant number, since it is smaller than the sum of its proper divisors (297429576).

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

190885944 is a wasteful number, since it uses less digits than its factorization.

190885944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185019 (or 185015 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 48.

The square root of 190885944 is about 13816.1479436202. The cubic root of 190885944 is about 575.7818666695.

The spelling of 190885944 in words is "one hundred ninety million, eight hundred eighty-five thousand, nine hundred forty-four".