690344204 has 18 divisors (see below), whose sum is σ = 1327915092. Its totient is φ = 313792600.

The previous prime is 690344203. The next prime is 690344293. The reversal of 690344204 is 402443096.

It is not an unprimeable number, because it can be changed into a prime (690344203) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 712682 + ... + 713649.

Almost surely, 2^690344204 is an apocalyptic number.

It is an amenable number.

690344204 is a deficient number, since it is larger than the sum of its proper divisors (637570888).

690344204 is a wasteful number, since it uses less digits than its factorization.

690344204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1426357 (or 1426344 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 32.

The square root of 690344204 is about 26274.4020674115. The cubic root of 690344204 is about 883.8025039445.

The spelling of 690344204 in words is "six hundred ninety million, three hundred forty-four thousand, two hundred four".