9478345 has 12 divisors (see below), whose sum is σ = 11571084. Its totient is φ = 7452800.

The previous prime is 9478319. The next prime is 9478373. The reversal of 9478345 is 5438749.

It can be written as a sum of positive squares in 6 ways, for example, as 881721 + 8596624 = 939^2 + 2932^2 .

It is not a de Polignac number, because 9478345 - 2¹⁵ = 9445577 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 9478298 and 9478307.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 69117 + ... + 69253.

It is an arithmetic number, because the mean of its divisors is an integer number (964257).

Almost surely, 2^9478345 is an apocalyptic number.

It is an amenable number.

9478345 is a deficient number, since it is larger than the sum of its proper divisors (2092739).

9478345 is a wasteful number, since it uses less digits than its factorization.

9478345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 380 (or 243 counting only the distinct ones).

The product of its digits is 120960, while the sum is 40.

The square root of 9478345 is about 3078.6920924315. The cubic root of 9478345 is about 211.6301326437.

The spelling of 9478345 in words is "nine million, four hundred seventy-eight thousand, three hundred forty-five".