921682105 has 16 divisors (see below), whose sum is σ = 1161771264. Its totient is φ = 700603200.

The previous prime is 921682103. The next prime is 921682109. The reversal of 921682105 is 501286129.

It is not a de Polignac number, because 921682105 - 2¹ = 921682103 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (921682103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9174 + ... + 43903.

It is an arithmetic number, because the mean of its divisors is an integer number (72610704).

Almost surely, 2^921682105 is an apocalyptic number.

It is an amenable number.

921682105 is a deficient number, since it is larger than the sum of its proper divisors (240089159).

921682105 is a wasteful number, since it uses less digits than its factorization.

921682105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53256.

The product of its (nonzero) digits is 8640, while the sum is 34.

The square root of 921682105 is about 30359.2177929538. The cubic root of 921682105 is about 973.1812176925.

The spelling of 921682105 in words is "nine hundred twenty-one million, six hundred eighty-two thousand, one hundred five".