8342520 has 64 divisors (see below), whose sum is σ = 26352000. Its totient is φ = 2107008.

The previous prime is 8342519. The next prime is 8342531. The reversal of 8342520 is 252438.

It is a Harshad number since it is a multiple of its sum of digits (24).

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, 451 + ... + 4109.

It is an arithmetic number, because the mean of its divisors is an integer number (411750).

Almost surely, 2^8342520 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 8342520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13176000).

8342520 is an abundant number, since it is smaller than the sum of its proper divisors (18009480).

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

8342520 is a wasteful number, since it uses less digits than its factorization.

8342520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3692 (or 3688 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 8342520 is about 2888.3420850031. The cubic root of 8342520 is about 202.8145393760.

Adding to 8342520 its reverse (252438), we get a palindrome (8594958).

The spelling of 8342520 in words is "eight million, three hundred forty-two thousand, five hundred twenty".