1685272364 has 12 divisors (see below), whose sum is σ = 3021159288. Its totient is φ = 822084000.

The previous prime is 1685272361. The next prime is 1685272367. The reversal of 1685272364 is 4632725861.

It is an interprime number because it is at equal distance from previous prime (1685272361) and next prime (1685272367).

It is not an unprimeable number, because it can be changed into a prime (1685272361) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5137862 + ... + 5138189.

It is an arithmetic number, because the mean of its divisors is an integer number (251763274).

Almost surely, 2^1685272364 is an apocalyptic number.

It is an amenable number.

1685272364 is a deficient number, since it is larger than the sum of its proper divisors (1335886924).

1685272364 is a wasteful number, since it uses less digits than its factorization.

1685272364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10276096 (or 10276094 counting only the distinct ones).

The product of its digits is 483840, while the sum is 44.

The square root of 1685272364 is about 41052.0689369001. The cubic root of 1685272364 is about 1190.0266839578.

The spelling of 1685272364 in words is "one billion, six hundred eighty-five million, two hundred seventy-two thousand, three hundred sixty-four".