690630232 has 8 divisors (see below), whose sum is σ = 1294931700. Its totient is φ = 345315112.

The previous prime is 690630229. The next prime is 690630247. The reversal of 690630232 is 232036096.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 690630194 and 690630203.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43164382 + ... + 43164397.

Almost surely, 2^690630232 is an apocalyptic number.

It is an amenable number.

690630232 is a deficient number, since it is larger than the sum of its proper divisors (604301468).

690630232 is a wasteful number, since it uses less digits than its factorization.

690630232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86328785 (or 86328781 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 31.

The square root of 690630232 is about 26279.8445961920. The cubic root of 690630232 is about 883.9245480669.

The spelling of 690630232 in words is "six hundred ninety million, six hundred thirty thousand, two hundred thirty-two".