921853082 has 4 divisors (see below), whose sum is σ = 1382779626. Its totient is φ = 460926540.

The previous prime is 921853081. The next prime is 921853117. The reversal of 921853082 is 280358129.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 280358129 = 19 ⋅14755691.

It can be written as a sum of positive squares in only one way, i.e., 791915881 + 129937201 = 28141^2 + 11399^2 .

It is not an unprimeable number, because it can be changed into a prime (921853081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 230463269 + ... + 230463272.

Almost surely, 2^921853082 is an apocalyptic number.

921853082 is a deficient number, since it is larger than the sum of its proper divisors (460926544).

921853082 is a wasteful number, since it uses less digits than its factorization.

921853082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 460926543.

The product of its (nonzero) digits is 34560, while the sum is 38.

The square root of 921853082 is about 30362.0335616704. The cubic root of 921853082 is about 973.2413907596.

The spelling of 921853082 in words is "nine hundred twenty-one million, eight hundred fifty-three thousand, eighty-two".