698470420 has 12 divisors (see below), whose sum is σ = 1466787924. Its totient is φ = 279388160.

The previous prime is 698470397. The next prime is 698470441. The reversal of 698470420 is 24074896.

It can be written as a sum of positive squares in 2 ways, for example, as 140849424 + 557620996 = 11868^2 + 23614^2 .

It is a super-2 number, since 2×698470420² = 975721855229952800, which contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 17461741 + ... + 17461780.

It is an arithmetic number, because the mean of its divisors is an integer number (122232327).

Almost surely, 2^698470420 is an apocalyptic number.

It is an amenable number.

698470420 is an abundant number, since it is smaller than the sum of its proper divisors (768317504).

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

698470420 is a wasteful number, since it uses less digits than its factorization.

698470420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34923530 (or 34923528 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 40.

The square root of 698470420 is about 26428.5909575217. The cubic root of 698470420 is about 887.2568062085.

The spelling of 698470420 in words is "six hundred ninety-eight million, four hundred seventy thousand, four hundred twenty".