693469394 has 4 divisors (see below), whose sum is σ = 1040204094. Its totient is φ = 346734696.

The previous prime is 693469369. The next prime is 693469397. The reversal of 693469394 is 493964396.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 537544225 + 155925169 = 23185^2 + 12487^2 .

It is not an unprimeable number, because it can be changed into a prime (693469397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 173367347 + ... + 173367350.

Almost surely, 2^693469394 is an apocalyptic number.

693469394 is a deficient number, since it is larger than the sum of its proper divisors (346734700).

693469394 is a wasteful number, since it uses less digits than its factorization.

693469394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346734699.

The product of its digits is 3779136, while the sum is 53.

The square root of 693469394 is about 26333.8070548107. The cubic root of 693469394 is about 885.1341552401.

The spelling of 693469394 in words is "six hundred ninety-three million, four hundred sixty-nine thousand, three hundred ninety-four".