1901992098 has 32 divisors (see below), whose sum is σ = 3844741824. Its totient is φ = 627236352.

The previous prime is 1901992097. The next prime is 1901992111. The reversal of 1901992098 is 8902991091.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (1901992097) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 248586 + ... + 256122.

It is an arithmetic number, because the mean of its divisors is an integer number (120148182).

Almost surely, 2^1901992098 is an apocalyptic number.

1901992098 is an abundant number, since it is smaller than the sum of its proper divisors (1942749726).

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

1901992098 is a wasteful number, since it uses less digits than its factorization.

1901992098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7986.

The product of its (nonzero) digits is 104976, while the sum is 48.

The square root of 1901992098 is about 43611.8343801313. The cubic root of 1901992098 is about 1238.9950446705.

The spelling of 1901992098 in words is "one billion, nine hundred one million, nine hundred ninety-two thousand, ninety-eight".