190998002 has 48 divisors (see below), whose sum is σ = 329154840. Its totient is φ = 82526976.

The previous prime is 190997993. The next prime is 190998019. The reversal of 190998002 is 200899091.

It can be written as a sum of positive squares in 4 ways, for example, as 141871921 + 49126081 = 11911^2 + 7009^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1394078 + ... + 1394214.

Almost surely, 2^190998002 is an apocalyptic number.

190998002 is a deficient number, since it is larger than the sum of its proper divisors (138156838).

190998002 is a wasteful number, since it uses less digits than its factorization.

190998002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267 (or 224 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 38.

The square root of 190998002 is about 13820.2026757931. The cubic root of 190998002 is about 575.8945139423.

The spelling of 190998002 in words is "one hundred ninety million, nine hundred ninety-eight thousand, two".