690950216 has 16 divisors (see below), whose sum is σ = 1413307440. Its totient is φ = 314068240.

The previous prime is 690950213. The next prime is 690950269. The reversal of 690950216 is 612059096.

It is a self number, because there is not a number n which added to its sum of digits gives 690950216.

It is not an unprimeable number, because it can be changed into a prime (690950213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3925766 + ... + 3925941.

It is an arithmetic number, because the mean of its divisors is an integer number (88331715).

Almost surely, 2^690950216 is an apocalyptic number.

It is an amenable number.

690950216 is an abundant number, since it is smaller than the sum of its proper divisors (722357224).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

690950216 is a wasteful number, since it uses less digits than its factorization.

690950216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7851724 (or 7851720 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 38.

The square root of 690950216 is about 26285.9319028259. The cubic root of 690950216 is about 884.0610408086.

The spelling of 690950216 in words is "six hundred ninety million, nine hundred fifty thousand, two hundred sixteen".