2306920 has 96 divisors (see below), whose sum is σ = 6648480. Its totient is φ = 712320.

The previous prime is 2306911. The next prime is 2306957. The reversal of 2306920 is 296032.

2306920 = T₁₃₃ + T₁₃₄ + ... + T₂₅₂.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a plaindrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 2306891 and 2306900.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21507 + ... + 21613.

It is an arithmetic number, because the mean of its divisors is an integer number (69255).

2^2306920 is an apocalyptic number.

2306920 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 2306920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3324240).

2306920 is an abundant number, since it is smaller than the sum of its proper divisors (4341560).

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

2306920 is a wasteful number, since it uses less digits than its factorization.

2306920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143 (or 132 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 2306920 is about 1518.8548317729. The cubic root of 2306920 is about 132.1328628568.

The spelling of 2306920 in words is "two million, three hundred six thousand, nine hundred twenty".