794420090 has 8 divisors (see below), whose sum is σ = 1429956180. Its totient is φ = 317768032.

The previous prime is 794420083. The next prime is 794420101. The reversal of 794420090 is 90024497.

It can be written as a sum of positive squares in 2 ways, for example, as 681784321 + 112635769 = 26111^2 + 10613^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×794420090² = 1262206558791216200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 794420090.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39720995 + ... + 39721014.

Almost surely, 2^794420090 is an apocalyptic number.

794420090 is a deficient number, since it is larger than the sum of its proper divisors (635536090).

794420090 is a wasteful number, since it uses less digits than its factorization.

794420090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79442016.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 794420090 is about 28185.4588396215. The cubic root of 794420090 is about 926.1544252158.

The spelling of 794420090 in words is "seven hundred ninety-four million, four hundred twenty thousand, ninety".