689414340 has 48 divisors (see below), whose sum is σ = 1982538432. Its totient is φ = 178874496.

The previous prime is 689414333. The next prime is 689414359. The reversal of 689414340 is 43414986.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 153054 + ... + 157493.

It is an arithmetic number, because the mean of its divisors is an integer number (41302884).

Almost surely, 2^689414340 is an apocalyptic number.

689414340 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

689414340 is an abundant number, since it is smaller than the sum of its proper divisors (1293124092).

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

689414340 is a wasteful number, since it uses less digits than its factorization.

689414340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310596 (or 310594 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 39.

The square root of 689414340 is about 26256.7008590188. The cubic root of 689414340 is about 883.4055109725.

The spelling of 689414340 in words is "six hundred eighty-nine million, four hundred fourteen thousand, three hundred forty".