9046921 has 4 divisors (see below), whose sum is σ = 9742852. Its totient is φ = 8350992.

The previous prime is 9046913. The next prime is 9046949. The reversal of 9046921 is 1296409.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6071296 + 2975625 = 2464^2 + 1725^2 .

It is not a de Polignac number, because 9046921 - 2³ = 9046913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9046951) 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, 347946 + ... + 347971.

It is an arithmetic number, because the mean of its divisors is an integer number (2435713).

Almost surely, 2^9046921 is an apocalyptic number.

It is an amenable number.

9046921 is a deficient number, since it is larger than the sum of its proper divisors (695931).

9046921 is a wasteful number, since it uses less digits than its factorization.

9046921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 695930.

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 9046921 is about 3007.8100006483. The cubic root of 9046921 is about 208.3692359813.

The spelling of 9046921 in words is "nine million, forty-six thousand, nine hundred twenty-one".