698433984 has 84 divisors (see below), whose sum is σ = 2119725504. Its totient is φ = 219113472.

The previous prime is 698433979. The next prime is 698434003. The reversal of 698433984 is 489334896.

It is a happy number.

It is a super-2 number, since 2×698433984² = 975620060012224512, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 698433984.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25872 + ... + 45455.

Almost surely, 2^698433984 is an apocalyptic number.

698433984 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

698433984 is an abundant number, since it is smaller than the sum of its proper divisors (1421291520).

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

698433984 is a wasteful number, since it uses less digits than its factorization.

698433984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71362 (or 71349 counting only the distinct ones).

The product of its digits is 4478976, while the sum is 54.

The square root of 698433984 is about 26427.9016193114. The cubic root of 698433984 is about 887.2413779001.

The spelling of 698433984 in words is "six hundred ninety-eight million, four hundred thirty-three thousand, nine hundred eighty-four".