9477440 has 56 divisors (see below), whose sum is σ = 25798272. Its totient is φ = 3248640.

The previous prime is 9477427. The next prime is 9477463. The reversal of 9477440 is 447749.

It is a tau number, because it is divible by the number of its divisors (56).

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 9477440.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 125 + ... + 4355.

Almost surely, 2^9477440 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9477440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12899136).

9477440 is an abundant number, since it is smaller than the sum of its proper divisors (16320832).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9477440 is a wasteful number, since it uses less digits than its factorization.

9477440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4255 (or 4245 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 35.

The square root of 9477440 is about 3078.5451109250. The cubic root of 9477440 is about 211.6233968909.

The spelling of 9477440 in words is "nine million, four hundred seventy-seven thousand, four hundred forty".