685794150 has 36 divisors (see below), whose sum is σ = 1842501492. Its totient is φ = 182878320.

The previous prime is 685794103. The next prime is 685794157. The reversal of 685794150 is 51497586.

685794150 is a `hidden beast` number, since 68 + 579 + 4 + 15 + 0 = 666.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 685794096 and 685794105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (685794157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 761544 + ... + 762443.

It is an arithmetic number, because the mean of its divisors is an integer number (51180597).

Almost surely, 2^685794150 is an apocalyptic number.

685794150 is an abundant number, since it is smaller than the sum of its proper divisors (1156707342).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

685794150 is a wasteful number, since it uses less digits than its factorization.

685794150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1524005 (or 1523997 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 45.

The square root of 685794150 is about 26187.6717178141. The cubic root of 685794150 is about 881.8565102005.

The spelling of 685794150 in words is "six hundred eighty-five million, seven hundred ninety-four thousand, one hundred fifty".