685092433 has 8 divisors (see below), whose sum is σ = 709629480. Its totient is φ = 660616320.

The previous prime is 685092427. The next prime is 685092461. The reversal of 685092433 is 334290586.

685092433 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 266603584 + 418488849 = 16328^2 + 20457^2 .

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 685092433 - 2⁹ = 685091921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (685092413) 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, 8293 + ... + 37933.

It is an arithmetic number, because the mean of its divisors is an integer number (88703685).

Almost surely, 2^685092433 is an apocalyptic number.

It is an amenable number.

685092433 is a deficient number, since it is larger than the sum of its proper divisors (24537047).

685092433 is a wasteful number, since it uses less digits than its factorization.

685092433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30467.

The product of its (nonzero) digits is 155520, while the sum is 40.

The square root of 685092433 is about 26174.2704387343. The cubic root of 685092433 is about 881.5556303688. Note that the first 3 decimals are identical.

The spelling of 685092433 in words is "six hundred eighty-five million, ninety-two thousand, four hundred thirty-three".