2873220 has 48 divisors (see below), whose sum is σ = 9195648. Its totient is φ = 656640.

The previous prime is 2873209. The next prime is 2873231. The reversal of 2873220 is 223782.

2873220 is digitally balanced in base 5 and base 8, because in such bases it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2873209) and next prime (2873231).

2873220 is strictly pandigital in base 8.

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, 3001 + ... + 3840.

It is an arithmetic number, because the mean of its divisors is an integer number (191576).

2^2873220 is an apocalyptic number.

2873220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2873220 is an abundant number, since it is smaller than the sum of its proper divisors (6322428).

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

2873220 is a wasteful number, since it uses less digits than its factorization.

2873220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6860 (or 6858 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 2873220 is about 1695.0575211479. The cubic root of 2873220 is about 142.1639975243.

The spelling of 2873220 in words is "two million, eight hundred seventy-three thousand, two hundred twenty".