192400090 has 16 divisors (see below), whose sum is σ = 346994280. Its totient is φ = 76810240.

The previous prime is 192400079. The next prime is 192400127. The reversal of 192400090 is 90004291.

192400090 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 155226681 + 37173409 = 12459^2 + 6097^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13255 + ... + 23674.

Almost surely, 2^192400090 is an apocalyptic number.

192400090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

192400090 is a deficient number, since it is larger than the sum of its proper divisors (154594190).

192400090 is a wasteful number, since it uses less digits than its factorization.

192400090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37457.

The product of its (nonzero) digits is 648, while the sum is 25.

The square root of 192400090 is about 13870.8359517370. The cubic root of 192400090 is about 577.3002651290.

The spelling of 192400090 in words is "one hundred ninety-two million, four hundred thousand, ninety".