696994944 has 128 divisors (see below), whose sum is σ = 1969660800. Its totient is φ = 217890816.

The previous prime is 696994943. The next prime is 696995017. The reversal of 696994944 is 449499696.

It is a tau number, because it is divible by the number of its divisors (128).

It is not an unprimeable number, because it can be changed into a prime (696994943) 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 15 ways as a sum of consecutive naturals, for example, 467352 + ... + 468840.

It is an arithmetic number, because the mean of its divisors is an integer number (15387975).

Almost surely, 2^696994944 is an apocalyptic number.

696994944 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 696994944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (984830400).

696994944 is an abundant number, since it is smaller than the sum of its proper divisors (1272665856).

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

696994944 is a wasteful number, since it uses less digits than its factorization.

696994944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1582 (or 1570 counting only the distinct ones).

The product of its digits is 15116544, while the sum is 60.

The square root of 696994944 is about 26400.6618098865. The cubic root of 696994944 is about 886.6316072092.

The spelling of 696994944 in words is "six hundred ninety-six million, nine hundred ninety-four thousand, nine hundred forty-four".