685464414 has 8 divisors (see below), whose sum is σ = 1370928840. Its totient is φ = 228488136.

The previous prime is 685464413. The next prime is 685464431. The reversal of 685464414 is 414464586.

It is a happy number.

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

685464414 is an admirable number.

It is a super-2 number, since 2×685464414² = 939722925720726792, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (685464413) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57122029 + ... + 57122040.

It is an arithmetic number, because the mean of its divisors is an integer number (171366105).

Almost surely, 2^685464414 is an apocalyptic number.

685464414 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

685464414 is a wasteful number, since it uses less digits than its factorization.

685464414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114244074.

The product of its digits is 368640, while the sum is 42.

The square root of 685464414 is about 26181.3753267471. The cubic root of 685464414 is about 881.7151526936.

The spelling of 685464414 in words is "six hundred eighty-five million, four hundred sixty-four thousand, four hundred fourteen".