698953944 has 64 divisors (see below), whose sum is σ = 1892348640. Its totient is φ = 213857280.

The previous prime is 698953933. The next prime is 698953979. The reversal of 698953944 is 449359896.

It is a happy number.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 50284 + ... + 62660.

Almost surely, 2^698953944 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 698953944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (946174320).

698953944 is an abundant number, since it is smaller than the sum of its proper divisors (1193394696).

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

698953944 is a wasteful number, since it uses less digits than its factorization.

698953944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12580 (or 12576 counting only the distinct ones).

The product of its digits is 8398080, while the sum is 57.

The square root of 698953944 is about 26437.7371195040. The cubic root of 698953944 is about 887.4614968154.

The spelling of 698953944 in words is "six hundred ninety-eight million, nine hundred fifty-three thousand, nine hundred forty-four".