2873870 has 8 divisors (see below), whose sum is σ = 5172984. Its totient is φ = 1149544.

The previous prime is 2873863. The next prime is 2873879. The reversal of 2873870 is 783782.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 2873870.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2873879) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 143684 + ... + 143703.

It is an arithmetic number, because the mean of its divisors is an integer number (646623).

2^2873870 is an apocalyptic number.

2873870 is a deficient number, since it is larger than the sum of its proper divisors (2299114).

2873870 is a wasteful number, since it uses less digits than its factorization.

2873870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287394.

The product of its (nonzero) digits is 18816, while the sum is 35.

The square root of 2873870 is about 1695.2492442116. The cubic root of 2873870 is about 142.1747171618.

The spelling of 2873870 in words is "two million, eight hundred seventy-three thousand, eight hundred seventy".