1684732956 has 24 divisors (see below), whose sum is σ = 3989717760. Its totient is φ = 553195632.

The previous prime is 1684732939. The next prime is 1684732979. The reversal of 1684732956 is 6592374861.

1684732956 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 1684732899 and 1684732908.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1046916 + ... + 1048523.

It is an arithmetic number, because the mean of its divisors is an integer number (166238240).

Almost surely, 2^1684732956 is an apocalyptic number.

It is an amenable number.

1684732956 is an abundant number, since it is smaller than the sum of its proper divisors (2304984804).

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

1684732956 is a wasteful number, since it uses less digits than its factorization.

1684732956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2095513 (or 2095511 counting only the distinct ones).

The product of its digits is 2177280, while the sum is 51.

The square root of 1684732956 is about 41045.4986082518. The cubic root of 1684732956 is about 1189.8997057860.

The spelling of 1684732956 in words is "one billion, six hundred eighty-four million, seven hundred thirty-two thousand, nine hundred fifty-six".