690094944 has 576 divisors, whose sum is σ = 2702730240. Its totient is φ = 167270400.

The previous prime is 690094943. The next prime is 690094963. The reversal of 690094944 is 449490096.

It is a self number, because there is not a number n which added to its sum of digits gives 690094944.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (690094943) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 16831564 + ... + 16831604.

It is an arithmetic number, because the mean of its divisors is an integer number (4692240).

Almost surely, 2^690094944 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 690094944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1351365120).

690094944 is an abundant number, since it is smaller than the sum of its proper divisors (2012635296).

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

690094944 is a wasteful number, since it uses less digits than its factorization.

690094944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112 (or 87 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 45.

The square root of 690094944 is about 26269.6582391169. The cubic root of 690094944 is about 883.6961207180.

The spelling of 690094944 in words is "six hundred ninety million, ninety-four thousand, nine hundred forty-four".