2643662 has 8 divisors (see below), whose sum is σ = 4532016. Its totient is φ = 1132992.

The previous prime is 2643661. The next prime is 2643671. The reversal of 2643662 is 2663462.

2643662 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 congruent number.

It is not an unprimeable number, because it can be changed into a prime (2643661) by changing a digit.

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, 94403 + ... + 94430.

It is an arithmetic number, because the mean of its divisors is an integer number (566502).

2^2643662 is an apocalyptic number.

2643662 is a deficient number, since it is larger than the sum of its proper divisors (1888354).

2643662 is a wasteful number, since it uses less digits than its factorization.

2643662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188842.

The product of its digits is 10368, while the sum is 29.

The square root of 2643662 is about 1625.9341930103. The cubic root of 2643662 is about 138.2723390398.

The spelling of 2643662 in words is "two million, six hundred forty-three thousand, six hundred sixty-two".