1684668952 has 16 divisors (see below), whose sum is σ = 3163646160. Its totient is φ = 841029984.

The previous prime is 1684668919. The next prime is 1684668959. The reversal of 1684668952 is 2598664861.

It is a junction number, because it is equal to n+sod(n) for n = 1684668893 and 1684668902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1684668959) 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, 157563 + ... + 167914.

It is an arithmetic number, because the mean of its divisors is an integer number (197727885).

Almost surely, 2^1684668952 is an apocalyptic number.

It is an amenable number.

1684668952 is a deficient number, since it is larger than the sum of its proper divisors (1478977208).

1684668952 is a wasteful number, since it uses less digits than its factorization.

1684668952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326130 (or 326126 counting only the distinct ones).

The product of its digits is 4976640, while the sum is 55.

The square root of 1684668952 is about 41044.7189294798. The cubic root of 1684668952 is about 1189.8846372643.

The spelling of 1684668952 in words is "one billion, six hundred eighty-four million, six hundred sixty-eight thousand, nine hundred fifty-two".