684853436 has 12 divisors (see below), whose sum is σ = 1199499840. Its totient is φ = 342139200.

The previous prime is 684853409. The next prime is 684853441. The reversal of 684853436 is 634358486.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66476 + ... + 76083.

It is an arithmetic number, because the mean of its divisors is an integer number (99958320).

Almost surely, 2^684853436 is an apocalyptic number.

It is an amenable number.

684853436 is a deficient number, since it is larger than the sum of its proper divisors (514646404).

684853436 is a wasteful number, since it uses less digits than its factorization.

684853436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143764 (or 143762 counting only the distinct ones).

The product of its digits is 1658880, while the sum is 47.

The square root of 684853436 is about 26169.7045455236. The cubic root of 684853436 is about 881.4531071444.

The spelling of 684853436 in words is "six hundred eighty-four million, eight hundred fifty-three thousand, four hundred thirty-six".