9021961 has 16 divisors (see below), whose sum is σ = 10221568. Its totient is φ = 7905600.

The previous prime is 9021949. The next prime is 9021967. The reversal of 9021961 is 1691209.

It is not a de Polignac number, because 9021961 - 2⁷ = 9021833 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9021967) 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, 24400 + ... + 24766.

It is an arithmetic number, because the mean of its divisors is an integer number (638848).

Almost surely, 2^9021961 is an apocalyptic number.

It is an amenable number.

9021961 is a deficient number, since it is larger than the sum of its proper divisors (1199607).

9021961 is a wasteful number, since it uses less digits than its factorization.

9021961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 472.

The product of its (nonzero) digits is 972, while the sum is 28.

The square root of 9021961 is about 3003.6579365833. The cubic root of 9021961 is about 208.1774327340.

The spelling of 9021961 in words is "nine million, twenty-one thousand, nine hundred sixty-one".