689353379 has 8 divisors (see below), whose sum is σ = 809869872. Its totient is φ = 578478240.

The previous prime is 689353369. The next prime is 689353393. The reversal of 689353379 is 973353986.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 689353379 - 2²⁰ = 688304803 is a prime.

It is a super-2 number, since 2×689353379² = 950416162277435282, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 689353379.

It is not an unprimeable number, because it can be changed into a prime (689353319) 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, 2410184 + ... + 2410469.

It is an arithmetic number, because the mean of its divisors is an integer number (101233734).

Almost surely, 2^689353379 is an apocalyptic number.

689353379 is a deficient number, since it is larger than the sum of its proper divisors (120516493).

689353379 is a wasteful number, since it uses less digits than its factorization.

689353379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4820677.

The product of its digits is 3674160, while the sum is 53.

The square root of 689353379 is about 26255.5399677858. The cubic root of 689353379 is about 883.3794720254.

The spelling of 689353379 in words is "six hundred eighty-nine million, three hundred fifty-three thousand, three hundred seventy-nine".