4315520 has 64 divisors (see below), whose sum is σ = 11273040. Its totient is φ = 1566720.

The previous prime is 4315481. The next prime is 4315529. The reversal of 4315520 is 255134.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 4315492 and 4315501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4315529) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6734 + ... + 7346.

Almost surely, 2^4315520 is an apocalyptic number.

4315520 is a gapful number since it is divisible by the number (40) 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 4315520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5636520).

4315520 is an abundant number, since it is smaller than the sum of its proper divisors (6957520).

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

4315520 is a wasteful number, since it uses less digits than its factorization.

4315520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 643 (or 631 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 4315520 is about 2077.3829690262. The cubic root of 4315520 is about 162.8087384910.

The spelling of 4315520 in words is "four million, three hundred fifteen thousand, five hundred twenty".