9478645 has 32 divisors (see below), whose sum is σ = 13271040. Its totient is φ = 6431040.

The previous prime is 9478643. The next prime is 9478681. The reversal of 9478645 is 5468749.

It is not a de Polignac number, because 9478645 - 2¹ = 9478643 is a prime.

It is a super-2 number, since 2×9478645² = 179689422072050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9478643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 74572 + ... + 74698.

It is an arithmetic number, because the mean of its divisors is an integer number (414720).

Almost surely, 2^9478645 is an apocalyptic number.

It is an amenable number.

9478645 is a deficient number, since it is larger than the sum of its proper divisors (3792395).

9478645 is a wasteful number, since it uses less digits than its factorization.

9478645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225.

The product of its digits is 241920, while the sum is 43.

The square root of 9478645 is about 3078.7408140342. The cubic root of 9478645 is about 211.6323653953.

The spelling of 9478645 in words is "nine million, four hundred seventy-eight thousand, six hundred forty-five".