9478451 has 4 divisors (see below), whose sum is σ = 9491952. Its totient is φ = 9464952.

The previous prime is 9478439. The next prime is 9478453. The reversal of 9478451 is 1548749.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1548749 = 331 ⋅4679.

It is a cyclic number.

It is not a de Polignac number, because 9478451 - 2⁶ = 9478387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9478453) 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, 5636 + ... + 7121.

It is an arithmetic number, because the mean of its divisors is an integer number (2372988).

Almost surely, 2^9478451 is an apocalyptic number.

9478451 is a deficient number, since it is larger than the sum of its proper divisors (13501).

9478451 is a wasteful number, since it uses less digits than its factorization.

9478451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13500.

The product of its digits is 40320, while the sum is 38.

The square root of 9478451 is about 3078.7093074858. The cubic root of 9478451 is about 211.6309215546.

The spelling of 9478451 in words is "nine million, four hundred seventy-eight thousand, four hundred fifty-one".