698443944 has 96 divisors (see below), whose sum is σ = 2002916160. Its totient is φ = 202428160.

The previous prime is 698443937. The next prime is 698443957. The reversal of 698443944 is 449344896.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 61564 + ... + 72020.

It is an arithmetic number, because the mean of its divisors is an integer number (20863710).

Almost surely, 2^698443944 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 698443944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1001458080).

698443944 is an abundant number, since it is smaller than the sum of its proper divisors (1304472216).

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

698443944 is a wasteful number, since it uses less digits than its factorization.

698443944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10511 (or 10496 counting only the distinct ones).

The product of its digits is 2985984, while the sum is 51.

The square root of 698443944 is about 26428.0900558478. The cubic root of 698443944 is about 887.2455953744.

The spelling of 698443944 in words is "six hundred ninety-eight million, four hundred forty-three thousand, nine hundred forty-four".