9278413 has 4 divisors (see below), whose sum is σ = 9824220. Its totient is φ = 8732608.

The previous prime is 9278383. The next prime is 9278429. The reversal of 9278413 is 3148729.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3148729 = 1249 ⋅2521.

It can be written as a sum of positive squares in 2 ways, for example, as 7606564 + 1671849 = 2758^2 + 1293^2 .

It is a cyclic number.

It is not a de Polignac number, because 9278413 - 2¹³ = 9270221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9278443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 272878 + ... + 272911.

It is an arithmetic number, because the mean of its divisors is an integer number (2456055).

Almost surely, 2^9278413 is an apocalyptic number.

It is an amenable number.

9278413 is a deficient number, since it is larger than the sum of its proper divisors (545807).

9278413 is a wasteful number, since it uses less digits than its factorization.

9278413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 545806.

The product of its digits is 12096, while the sum is 34.

The square root of 9278413 is about 3046.0487520721. The cubic root of 9278413 is about 210.1315351307.

The spelling of 9278413 in words is "nine million, two hundred seventy-eight thousand, four hundred thirteen".