4215904 has 96 divisors (see below), whose sum is σ = 10886400. Its totient is φ = 1559040.

The previous prime is 4215899. The next prime is 4215919. The reversal of 4215904 is 4095124.

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, 71427 + ... + 71485.

It is an arithmetic number, because the mean of its divisors is an integer number (113400).

Almost surely, 2^4215904 is an apocalyptic number.

4215904 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4215904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5443200).

4215904 is an abundant number, since it is smaller than the sum of its proper divisors (6670496).

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

4215904 is a wasteful number, since it uses less digits than its factorization.

4215904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116 (or 108 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 4215904 is about 2053.2666655844. The cubic root of 4215904 is about 161.5462586387.

The spelling of 4215904 in words is "four million, two hundred fifteen thousand, nine hundred four".