699451968 has 56 divisors (see below), whose sum is σ = 1864827360. Its totient is φ = 231362560.

The previous prime is 699451937. The next prime is 699451981. The reversal of 699451968 is 869154996.

It is an unprimeable number.

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, 11248 + ... + 39056.

Almost surely, 2^699451968 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 699451968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (932413680).

699451968 is an abundant number, since it is smaller than the sum of its proper divisors (1165375392).

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

699451968 is a wasteful number, since it uses less digits than its factorization.

699451968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27955 (or 27945 counting only the distinct ones).

The product of its digits is 4199040, while the sum is 57.

The square root of 699451968 is about 26447.1542514502. The cubic root of 699451968 is about 887.6722270531.

The spelling of 699451968 in words is "six hundred ninety-nine million, four hundred fifty-one thousand, nine hundred sixty-eight".