997793794 has 16 divisors (see below), whose sum is σ = 1562130360. Its totient is φ = 477543040.

The previous prime is 997793791. The next prime is 997793803. The reversal of 997793794 is 497397799.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 712623025 + 285170769 = 26695^2 + 16887^2 .

It is not an unprimeable number, because it can be changed into a prime (997793791) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 110449 + ... + 119140.

Almost surely, 2^997793794 is an apocalyptic number.

997793794 is a deficient number, since it is larger than the sum of its proper divisors (564336566).

997793794 is a wasteful number, since it uses less digits than its factorization.

997793794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229685.

The product of its digits is 27005076, while the sum is 64.

The square root of 997793794 is about 31587.8741608232. The cubic root of 997793794 is about 999.2640565201.

The spelling of 997793794 in words is "nine hundred ninety-seven million, seven hundred ninety-three thousand, seven hundred ninety-four".