684325285 has 16 divisors (see below), whose sum is σ = 938961792. Its totient is φ = 469022400.

The previous prime is 684325277. The next prime is 684325309. The reversal of 684325285 is 582523486.

It is not a de Polignac number, because 684325285 - 2³ = 684325277 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 100695 + ... + 107275.

It is an arithmetic number, because the mean of its divisors is an integer number (58685112).

Almost surely, 2^684325285 is an apocalyptic number.

It is an amenable number.

684325285 is a deficient number, since it is larger than the sum of its proper divisors (254636507).

684325285 is a wasteful number, since it uses less digits than its factorization.

684325285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9564.

The product of its digits is 460800, while the sum is 43.

The square root of 684325285 is about 26159.6117134792. The cubic root of 684325285 is about 881.2264600791.

The spelling of 684325285 in words is "six hundred eighty-four million, three hundred twenty-five thousand, two hundred eighty-five".