190885401 has 24 divisors (see below), whose sum is σ = 333650304. Its totient is φ = 102660480.

The previous prime is 190885397. The next prime is 190885411. The reversal of 190885401 is 104588091.

It is not a de Polignac number, because 190885401 - 2² = 190885397 is a prime.

It is not an unprimeable number, because it can be changed into a prime (190885411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 88045 + ... + 90186.

It is an arithmetic number, because the mean of its divisors is an integer number (13902096).

Almost surely, 2^190885401 is an apocalyptic number.

It is an amenable number.

190885401 is a deficient number, since it is larger than the sum of its proper divisors (142764903).

190885401 is a wasteful number, since it uses less digits than its factorization.

190885401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178261 (or 178258 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 36.

The square root of 190885401 is about 13816.1282926875. The cubic root of 190885401 is about 575.7813207067.

The spelling of 190885401 in words is "one hundred ninety million, eight hundred eighty-five thousand, four hundred one".