690930304 has 64 divisors (see below), whose sum is σ = 1475360640. Its totient is φ = 321463296.

The previous prime is 690930301. The next prime is 690930311. The reversal of 690930304 is 403039096.

It is a tau number, because it is divible by the number of its divisors (64).

It is a self number, because there is not a number n which added to its sum of digits gives 690930304.

It is not an unprimeable number, because it can be changed into a prime (690930301) 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 7 ways as a sum of consecutive naturals, for example, 105757 + ... + 112099.

It is an arithmetic number, because the mean of its divisors is an integer number (23052510).

Almost surely, 2^690930304 is an apocalyptic number.

690930304 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 690930304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (737680320).

690930304 is an abundant number, since it is smaller than the sum of its proper divisors (784430336).

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

690930304 is a wasteful number, since it uses less digits than its factorization.

690930304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6417 (or 6405 counting only the distinct ones).

The product of its (nonzero) digits is 17496, while the sum is 34.

The square root of 690930304 is about 26285.5531423632. The cubic root of 690930304 is about 884.0525483528.

The spelling of 690930304 in words is "six hundred ninety million, nine hundred thirty thousand, three hundred four".