921732946 has 8 divisors (see below), whose sum is σ = 1382972544. Its totient is φ = 460742100.

The previous prime is 921732943. The next prime is 921732947. The reversal of 921732946 is 649237129.

921732946 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (921732941) 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, 52630 + ... + 67921.

It is an arithmetic number, because the mean of its divisors is an integer number (172871568).

Almost surely, 2^921732946 is an apocalyptic number.

921732946 is a deficient number, since it is larger than the sum of its proper divisors (461239598).

921732946 is a wasteful number, since it uses less digits than its factorization.

921732946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124376.

The product of its digits is 163296, while the sum is 43.

The square root of 921732946 is about 30360.0551053518. The cubic root of 921732946 is about 973.1991112795.

The spelling of 921732946 in words is "nine hundred twenty-one million, seven hundred thirty-two thousand, nine hundred forty-six".