690341996 has 24 divisors (see below), whose sum is σ = 1217099520. Its totient is φ = 342608000.

The previous prime is 690341989. The next prime is 690342011. The reversal of 690341996 is 699143096.

It is a self number, because there is not a number n which added to its sum of digits gives 690341996.

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 in 7 ways as a sum of consecutive naturals, for example, 534920 + ... + 536208.

It is an arithmetic number, because the mean of its divisors is an integer number (50712480).

Almost surely, 2^690341996 is an apocalyptic number.

It is an amenable number.

690341996 is a deficient number, since it is larger than the sum of its proper divisors (526757524).

690341996 is a wasteful number, since it uses less digits than its factorization.

690341996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2185 (or 2183 counting only the distinct ones).

The product of its (nonzero) digits is 314928, while the sum is 47.

The square root of 690341996 is about 26274.3600492952. The cubic root of 690341996 is about 883.8015616908.

The spelling of 690341996 in words is "six hundred ninety million, three hundred forty-one thousand, nine hundred ninety-six".