685026484 has 24 divisors (see below), whose sum is σ = 1223699400. Its totient is φ = 335422464.

The previous prime is 685026451. The next prime is 685026527. The reversal of 685026484 is 484620586.

It can be written as a sum of positive squares in 4 ways, for example, as 74442384 + 610584100 = 8628^2 + 24710^2 .

It is a super-2 number, since 2×685026484² = 938522567562804512, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 685026484.

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, 122992 + ... + 128440.

It is an arithmetic number, because the mean of its divisors is an integer number (50987475).

Almost surely, 2^685026484 is an apocalyptic number.

It is an amenable number.

685026484 is a deficient number, since it is larger than the sum of its proper divisors (538672916).

685026484 is a wasteful number, since it uses less digits than its factorization.

685026484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6099 (or 6097 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 43.

The square root of 685026484 is about 26173.0106025272. The cubic root of 685026484 is about 881.5273424205.

The spelling of 685026484 in words is "six hundred eighty-five million, twenty-six thousand, four hundred eighty-four".