2306520 has 96 divisors (see below), whose sum is σ = 7722000. Its totient is φ = 596736.

The previous prime is 2306519. The next prime is 2306527. The reversal of 2306520 is 256032.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 2306493 and 2306502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2306527) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15406 + ... + 15554.

2^2306520 is an apocalyptic number.

2306520 is a gapful number since it is divisible by the number (20) 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 2306520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3861000).

2306520 is an abundant number, since it is smaller than the sum of its proper divisors (5415480).

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

2306520 is a wasteful number, since it uses less digits than its factorization.

2306520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209 (or 202 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 2306520 is about 1518.7231479108. The cubic root of 2306520 is about 132.1252255163.

The spelling of 2306520 in words is "two million, three hundred six thousand, five hundred twenty".