2987906 has 8 divisors (see below), whose sum is σ = 4490640. Its totient is φ = 1491028.

The previous prime is 2987863. The next prime is 2987911. The reversal of 2987906 is 6097892.

2987906 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 185 + ... + 2451.

It is an arithmetic number, because the mean of its divisors is an integer number (561330).

2^2987906 is an apocalyptic number.

2987906 is a deficient number, since it is larger than the sum of its proper divisors (1502734).

2987906 is a wasteful number, since it uses less digits than its factorization.

2987906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2928.

The product of its (nonzero) digits is 54432, while the sum is 41.

The square root of 2987906 is about 1728.5560447958. The cubic root of 2987906 is about 144.0308897210.

The spelling of 2987906 in words is "two million, nine hundred eighty-seven thousand, nine hundred six".