1684853238 has 48 divisors (see below), whose sum is σ = 3676469904. Its totient is φ = 514275840.

The previous prime is 1684853171. The next prime is 1684853257. The reversal of 1684853238 is 8323584861.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 51028 + ... + 77288.

It is an arithmetic number, because the mean of its divisors is an integer number (76593123).

Almost surely, 2^1684853238 is an apocalyptic number.

1684853238 is an abundant number, since it is smaller than the sum of its proper divisors (1991616666).

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

1684853238 is a wasteful number, since it uses less digits than its factorization.

1684853238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26337 (or 26320 counting only the distinct ones).

The product of its digits is 1105920, while the sum is 48.

The square root of 1684853238 is about 41046.9638097631. The cubic root of 1684853238 is about 1189.9280228574.

The spelling of 1684853238 in words is "one billion, six hundred eighty-four million, eight hundred fifty-three thousand, two hundred thirty-eight".