698458464 has 360 divisors, whose sum is σ = 2408928984. Its totient is φ = 197683200.

The previous prime is 698458441. The next prime is 698458477. The reversal of 698458464 is 464854896.

It is a Harshad number since it is a multiple of its sum of digits (54).

Its product of digits (6635520) is a multiple of the sum of its prime factors (192).

It is a self number, because there is not a number n which added to its sum of digits gives 698458464.

It is a congruent number.

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 59 ways as a sum of consecutive naturals, for example, 5331679 + ... + 5331809.

Almost surely, 2^698458464 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 698458464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1204464492).

698458464 is an abundant number, since it is smaller than the sum of its proper divisors (1710470520).

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

698458464 is a wasteful number, since it uses less digits than its factorization.

698458464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192 (or 164 counting only the distinct ones).

The product of its digits is 6635520, while the sum is 54.

The square root of 698458464 is about 26428.3647621263. The cubic root of 698458464 is about 887.2517436687.

The spelling of 698458464 in words is "six hundred ninety-eight million, four hundred fifty-eight thousand, four hundred sixty-four".