685266234 has 8 divisors (see below), whose sum is σ = 1370532480. Its totient is φ = 228422076.

The previous prime is 685266223. The next prime is 685266341. The reversal of 685266234 is 432662586.

It is a happy number.

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

685266234 is an admirable number.

It is a super-2 number, since 2×685266234² = 939179622921085512, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57105514 + ... + 57105525.

It is an arithmetic number, because the mean of its divisors is an integer number (171316560).

Almost surely, 2^685266234 is an apocalyptic number.

685266234 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.

685266234 is a wasteful number, since it uses less digits than its factorization.

685266234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114211044.

The product of its digits is 414720, while the sum is 42.

The square root of 685266234 is about 26177.5903016301. The cubic root of 685266234 is about 881.6301713057.

The spelling of 685266234 in words is "six hundred eighty-five million, two hundred sixty-six thousand, two hundred thirty-four".