685093030 has 16 divisors (see below), whose sum is σ = 1305707040. Its totient is φ = 257917312.

The previous prime is 685093027. The next prime is 685093043. The reversal of 685093030 is 30390586.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2014810 + ... + 2015149.

It is an arithmetic number, because the mean of its divisors is an integer number (81606690).

Almost surely, 2^685093030 is an apocalyptic number.

685093030 is a deficient number, since it is larger than the sum of its proper divisors (620614010).

685093030 is a wasteful number, since it uses less digits than its factorization.

685093030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4029983.

The product of its (nonzero) digits is 19440, while the sum is 34.

The square root of 685093030 is about 26174.2818430611. The cubic root of 685093030 is about 881.5558864357. Note that the first 3 decimals are identical.

The spelling of 685093030 in words is "six hundred eighty-five million, ninety-three thousand, thirty".