190002890 has 48 divisors (see below), whose sum is σ = 434022624. Its totient is φ = 59220000.

The previous prime is 190002889. The next prime is 190002893. The reversal of 190002890 is 98200091.

190002890 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×190002890² = 72202196416704200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (190002893) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12236 + ... + 23015.

It is an arithmetic number, because the mean of its divisors is an integer number (9042138).

Almost surely, 2^190002890 is an apocalyptic number.

190002890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

190002890 is an abundant number, since it is smaller than the sum of its proper divisors (244019734).

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

190002890 is a wasteful number, since it uses less digits than its factorization.

190002890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35283 (or 35276 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 29.

The square root of 190002890 is about 13784.1535830097. The cubic root of 190002890 is about 574.8926226714.

The spelling of 190002890 in words is "one hundred ninety million, two thousand, eight hundred ninety".