2818320 has 40 divisors (see below), whose sum is σ = 8737536. Its totient is φ = 751488.

The previous prime is 2818297. The next prime is 2818337. The reversal of 2818320 is 238182.

It is a tau number, because it is divible by the number of its divisors (40).

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

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5632 + ... + 6111.

2^2818320 is an apocalyptic number.

2818320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2818320 is an abundant number, since it is smaller than the sum of its proper divisors (5919216).

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

2818320 is a wasteful number, since it uses less digits than its factorization.

2818320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11759 (or 11753 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 24.

The square root of 2818320 is about 1678.7852751320. The cubic root of 2818320 is about 141.2527031096.

It can be divided in two parts, 28183 and 20, that added together give a triangular number (28203 = T₂₃₇).

The spelling of 2818320 in words is "two million, eight hundred eighteen thousand, three hundred twenty".