921982950 has 72 divisors (see below), whose sum is σ = 2830936368. Its totient is φ = 210738240.

The previous prime is 921982939. The next prime is 921982979. The reversal of 921982950 is 59289129.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 921982896 and 921982905.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 143197 + ... + 149496.

Almost surely, 2^921982950 is an apocalyptic number.

921982950 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

921982950 is an abundant number, since it is smaller than the sum of its proper divisors (1908953418).

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

921982950 is a wasteful number, since it uses less digits than its factorization.

921982950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292718 (or 292710 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 45.

The square root of 921982950 is about 30364.1721441570. The cubic root of 921982950 is about 973.2870910924.

The spelling of 921982950 in words is "nine hundred twenty-one million, nine hundred eighty-two thousand, nine hundred fifty".