698132790 has 64 divisors (see below), whose sum is σ = 1869117120. Its totient is φ = 185425920.

The previous prime is 698132753. The next prime is 698132833. The reversal of 698132790 is 97231896.

698132790 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 64360 + ... + 74420.

It is an arithmetic number, because the mean of its divisors is an integer number (29204955).

Almost surely, 2^698132790 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 698132790, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (934558560).

698132790 is an abundant number, since it is smaller than the sum of its proper divisors (1170984330).

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

698132790 is a wasteful number, since it uses less digits than its factorization.

698132790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10334 (or 10328 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 45.

The square root of 698132790 is about 26422.2025955445. The cubic root of 698132790 is about 887.1138210092.

The spelling of 698132790 in words is "six hundred ninety-eight million, one hundred thirty-two thousand, seven hundred ninety".