690347236 has 12 divisors (see below), whose sum is σ = 1216109440. Its totient is φ = 342887400.

The previous prime is 690347227. The next prime is 690347239. The reversal of 690347236 is 632743096.

690347236 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (690347239) 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, 570876 + ... + 572083.

Almost surely, 2^690347236 is an apocalyptic number.

It is an amenable number.

690347236 is a deficient number, since it is larger than the sum of its proper divisors (525762204).

690347236 is a wasteful number, since it uses less digits than its factorization.

690347236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1143114 (or 1143112 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 40.

The square root of 690347236 is about 26274.4597660922. The cubic root of 690347236 is about 883.8037978330.

The spelling of 690347236 in words is "six hundred ninety million, three hundred forty-seven thousand, two hundred thirty-six".