2664906 has 8 divisors (see below), whose sum is σ = 5329824. Its totient is φ = 888300.

The previous prime is 2664901. The next prime is 2664911. The reversal of 2664906 is 6094662.

It is an interprime number because it is at equal distance from previous prime (2664901) and next prime (2664911).

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

2664906 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (2664901) 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, 222070 + ... + 222081.

It is an arithmetic number, because the mean of its divisors is an integer number (666228).

2^2664906 is an apocalyptic number.

2664906 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2664906 is a wasteful number, since it uses less digits than its factorization.

2664906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 444156.

The product of its (nonzero) digits is 15552, while the sum is 33.

The square root of 2664906 is about 1632.4539809747. The cubic root of 2664906 is about 138.6417286987.

It can be divided in two parts, 2664 and 906, that added together give a triangular number (3570 = T₈₄).

The spelling of 2664906 in words is "two million, six hundred sixty-four thousand, nine hundred six".