689419698 has 16 divisors (see below), whose sum is σ = 1504188576. Its totient is φ = 208915040.

The previous prime is 689419691. The next prime is 689419699. The reversal of 689419698 is 896914986.

It is a super-2 number, since 2×689419698² = 950599039980822408, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (689419691) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5222811 + ... + 5222942.

It is an arithmetic number, because the mean of its divisors is an integer number (94011786).

Almost surely, 2^689419698 is an apocalyptic number.

689419698 is an abundant number, since it is smaller than the sum of its proper divisors (814768878).

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

689419698 is a wasteful number, since it uses less digits than its factorization.

689419698 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10445769.

The product of its digits is 6718464, while the sum is 60.

The square root of 689419698 is about 26256.8028899179. The cubic root of 689419698 is about 883.4077995210.

The spelling of 689419698 in words is "six hundred eighty-nine million, four hundred nineteen thousand, six hundred ninety-eight".