2873320 has 32 divisors (see below), whose sum is σ = 6690600. Its totient is φ = 1109248.

The previous prime is 2873293. The next prime is 2873333. The reversal of 2873320 is 233782.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2328676 + 544644 = 1526^2 + 738^2 .

It is a congruent number.

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, 79 + ... + 2398.

2^2873320 is an apocalyptic number.

2873320 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 2873320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3345300).

2873320 is an abundant number, since it is smaller than the sum of its proper divisors (3817280).

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

2873320 is a wasteful number, since it uses less digits than its factorization.

2873320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2517 (or 2513 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 2873320 is about 1695.0870184153. The cubic root of 2873320 is about 142.1656468045.

The spelling of 2873320 in words is "two million, eight hundred seventy-three thousand, three hundred twenty".