2872906 has 8 divisors (see below), whose sum is σ = 4324320. Its totient is φ = 1431468.

The previous prime is 2872897. The next prime is 2872921. The reversal of 2872906 is 6092782.

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

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1726 + ... + 2953.

It is an arithmetic number, because the mean of its divisors is an integer number (540540).

2^2872906 is an apocalyptic number.

2872906 is a deficient number, since it is larger than the sum of its proper divisors (1451414).

2872906 is a wasteful number, since it uses less digits than its factorization.

2872906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4988.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 2872906 is about 1694.9648963917. The cubic root of 2872906 is about 142.1588185356.

It can be divided in two parts, 287290 and 6, that added together give a square (287296 = 536²).

The spelling of 2872906 in words is "two million, eight hundred seventy-two thousand, nine hundred six".