2642894 has 4 divisors (see below), whose sum is σ = 3964344. Its totient is φ = 1321446.

The previous prime is 2642891. The next prime is 2642897. The reversal of 2642894 is 4982462.

2642894 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (2642891) and next prime (2642897).

It is a Curzon number.

It is a nialpdrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2642891) 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 as a sum of consecutive naturals, namely, 660722 + ... + 660725.

It is an arithmetic number, because the mean of its divisors is an integer number (991086).

2^2642894 is an apocalyptic number.

2642894 is a deficient number, since it is larger than the sum of its proper divisors (1321450).

2642894 is a wasteful number, since it uses less digits than its factorization.

2642894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1321449.

The product of its digits is 27648, while the sum is 35.

The square root of 2642894 is about 1625.6980039355. The cubic root of 2642894 is about 138.2589480892.

The spelling of 2642894 in words is "two million, six hundred forty-two thousand, eight hundred ninety-four".