9428961 has 4 divisors (see below), whose sum is σ = 12571952. Its totient is φ = 6285972.

The previous prime is 9428941. The next prime is 9428963. The reversal of 9428961 is 1698249.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 9428961 - 2⁹ = 9428449 is a prime.

It is a Duffinian number.

9428961 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (9428963) 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, 1571491 + ... + 1571496.

It is an arithmetic number, because the mean of its divisors is an integer number (3142988).

Almost surely, 2^9428961 is an apocalyptic number.

It is an amenable number.

9428961 is a deficient number, since it is larger than the sum of its proper divisors (3142991).

9428961 is a wasteful number, since it uses less digits than its factorization.

9428961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3142990.

The product of its digits is 31104, while the sum is 39.

The square root of 9428961 is about 3070.6613294207. The cubic root of 9428961 is about 211.2619479021.

The spelling of 9428961 in words is "nine million, four hundred twenty-eight thousand, nine hundred sixty-one".