8465478 has 32 divisors (see below), whose sum is σ = 19719936. Its totient is φ = 2372448.

The previous prime is 8465461. The next prime is 8465503. The reversal of 8465478 is 8745648.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 325 + ... + 4127.

It is an arithmetic number, because the mean of its divisors is an integer number (616248).

Almost surely, 2^8465478 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8465478, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9859968).

8465478 is an abundant number, since it is smaller than the sum of its proper divisors (11254458).

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

8465478 is a wasteful number, since it uses less digits than its factorization.

8465478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3868.

The product of its digits is 215040, while the sum is 42.

The square root of 8465478 is about 2909.5494496571. The cubic root of 8465478 is about 203.8060921756.

The spelling of 8465478 in words is "eight million, four hundred sixty-five thousand, four hundred seventy-eight".