690650082 has 24 divisors (see below), whose sum is σ = 1496926704. Its totient is φ = 230136984.

The previous prime is 690649987. The next prime is 690650089. The reversal of 690650082 is 280056096.

It is not an unprimeable number, because it can be changed into a prime (690650089) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 71853 + ... + 80895.

It is an arithmetic number, because the mean of its divisors is an integer number (62371946).

Almost surely, 2^690650082 is an apocalyptic number.

690650082 is an abundant number, since it is smaller than the sum of its proper divisors (806276622).

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

690650082 is a wasteful number, since it uses less digits than its factorization.

690650082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13294 (or 13291 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 690650082 is about 26280.2222593341. Note that the first 4 decimals coincide. The cubic root of 690650082 is about 883.9330165321.

The spelling of 690650082 in words is "six hundred ninety million, six hundred fifty thousand, eighty-two".