689417220 has 48 divisors (see below), whose sum is σ = 1932497280. Its totient is φ = 183641856.

The previous prime is 689417219. The next prime is 689417221. The reversal of 689417220 is 22714986.

It is an interprime number because it is at equal distance from previous prime (689417219) and next prime (689417221).

It is a super-2 number, since 2×689417220² = 950592206465056800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (689417221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53136 + ... + 64824.

It is an arithmetic number, because the mean of its divisors is an integer number (40260360).

Almost surely, 2^689417220 is an apocalyptic number.

689417220 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

689417220 is an abundant number, since it is smaller than the sum of its proper divisors (1243080060).

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

689417220 is a wasteful number, since it uses less digits than its factorization.

689417220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12684 (or 12682 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 39.

The square root of 689417220 is about 26256.7557021046. The cubic root of 689417220 is about 883.4067411009.

The spelling of 689417220 in words is "six hundred eighty-nine million, four hundred seventeen thousand, two hundred twenty".