694384923 has 4 divisors (see below), whose sum is σ = 925846568. Its totient is φ = 462923280.

The previous prime is 694384871. The next prime is 694384937. The reversal of 694384923 is 329483496.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 694384923 - 2⁸ = 694384667 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (694384123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 115730818 + ... + 115730823.

It is an arithmetic number, because the mean of its divisors is an integer number (231461642).

Almost surely, 2^694384923 is an apocalyptic number.

694384923 is a deficient number, since it is larger than the sum of its proper divisors (231461645).

694384923 is a wasteful number, since it uses less digits than its factorization.

694384923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231461644.

The product of its digits is 1119744, while the sum is 48.

The square root of 694384923 is about 26351.1844705319. The cubic root of 694384923 is about 885.5235065401.

The spelling of 694384923 in words is "six hundred ninety-four million, three hundred eighty-four thousand, nine hundred twenty-three".