190791402 has 16 divisors (see below), whose sum is σ = 381718272. Its totient is φ = 63574560.

The previous prime is 190791401. The next prime is 190791443. The reversal of 190791402 is 204197091.

It is not an unprimeable number, because it can be changed into a prime (190791401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29502 + ... + 35382.

It is an arithmetic number, because the mean of its divisors is an integer number (23857392).

Almost surely, 2^190791402 is an apocalyptic number.

190791402 is an abundant number, since it is smaller than the sum of its proper divisors (190926870).

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

190791402 is a wasteful number, since it uses less digits than its factorization.

190791402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11293.

The product of its (nonzero) digits is 4536, while the sum is 33.

The square root of 190791402 is about 13812.7260886474. The cubic root of 190791402 is about 575.6867932144.

The spelling of 190791402 in words is "one hundred ninety million, seven hundred ninety-one thousand, four hundred two".