694824428 has 6 divisors (see below), whose sum is σ = 1215942756. Its totient is φ = 347412212.

The previous prime is 694824367. The next prime is 694824461. The reversal of 694824428 is 824428496.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86853050 + ... + 86853057.

It is an arithmetic number, because the mean of its divisors is an integer number (202657126).

Almost surely, 2^694824428 is an apocalyptic number.

It is an amenable number.

694824428 is a deficient number, since it is larger than the sum of its proper divisors (521118328).

694824428 is a wasteful number, since it uses less digits than its factorization.

694824428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173706111 (or 173706109 counting only the distinct ones).

The product of its digits is 884736, while the sum is 47.

The square root of 694824428 is about 26359.5225298183. The cubic root of 694824428 is about 885.7102953143.

The spelling of 694824428 in words is "six hundred ninety-four million, eight hundred twenty-four thousand, four hundred twenty-eight".