690869622 has 16 divisors (see below), whose sum is σ = 1382146560. Its totient is φ = 230221992.

The previous prime is 690869611. The next prime is 690869623. The reversal of 690869622 is 226968096.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (690869623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7879 + ... + 37997.

It is an arithmetic number, because the mean of its divisors is an integer number (86384160).

Almost surely, 2^690869622 is an apocalyptic number.

690869622 is an abundant number, since it is smaller than the sum of its proper divisors (691276938).

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

690869622 is a wasteful number, since it uses less digits than its factorization.

690869622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33947.

The product of its (nonzero) digits is 559872, while the sum is 48.

The square root of 690869622 is about 26284.3988327677. The cubic root of 690869622 is about 884.0266665106.

The spelling of 690869622 in words is "six hundred ninety million, eight hundred sixty-nine thousand, six hundred twenty-two".