9280445 has 4 divisors (see below), whose sum is σ = 11136540. Its totient is φ = 7424352.

The previous prime is 9280429. The next prime is 9280457. The reversal of 9280445 is 5440829.

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 2114116 + 7166329 = 1454^2 + 2677^2 .

It is a cyclic number.

It is not a de Polignac number, because 9280445 - 2⁴ = 9280429 is a prime.

It is a super-2 number, since 2×9280445² = 172253318796050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 928040 + ... + 928049.

It is an arithmetic number, because the mean of its divisors is an integer number (2784135).

Almost surely, 2^9280445 is an apocalyptic number.

It is an amenable number.

9280445 is a deficient number, since it is larger than the sum of its proper divisors (1856095).

9280445 is a wasteful number, since it uses less digits than its factorization.

9280445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1856094.

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 9280445 is about 3046.3822806733. The cubic root of 9280445 is about 210.1468738210.

The spelling of 9280445 in words is "nine million, two hundred eighty thousand, four hundred forty-five".