190826090 has 96 divisors (see below), whose sum is σ = 445571280. Its totient is φ = 58254336.

The previous prime is 190826087. The next prime is 190826107. The reversal of 190826090 is 90628091.

It can be written as a sum of positive squares in 8 ways, for example, as 104019601 + 86806489 = 10199^2 + 9317^2 .

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 190826090.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 184214 + ... + 185246.

Almost surely, 2^190826090 is an apocalyptic number.

190826090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

190826090 is an abundant number, since it is smaller than the sum of its proper divisors (254745190).

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

190826090 is a wasteful number, since it uses less digits than its factorization.

190826090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1096 (or 1089 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 35.

The square root of 190826090 is about 13813.9816852347. The cubic root of 190826090 is about 575.7216798553.

The spelling of 190826090 in words is "one hundred ninety million, eight hundred twenty-six thousand, ninety".