794393990 has 32 divisors (see below), whose sum is σ = 1620954720. Its totient is φ = 277876224.

The previous prime is 794393921. The next prime is 794393993. The reversal of 794393990 is 99393497.

It is a super-2 number, since 2×794393990² = 1262123622696240200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (794393993) 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, 158339 + ... + 163278.

It is an arithmetic number, because the mean of its divisors is an integer number (50654835).

Almost surely, 2^794393990 is an apocalyptic number.

794393990 is an abundant number, since it is smaller than the sum of its proper divisors (826560730).

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

794393990 is a wasteful number, since it uses less digits than its factorization.

794393990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321656.

The product of its (nonzero) digits is 1653372, while the sum is 53.

The square root of 794393990 is about 28184.9958311155. The cubic root of 794393990 is about 926.1442824313.

The spelling of 794393990 in words is "seven hundred ninety-four million, three hundred ninety-three thousand, nine hundred ninety".