2623642 has 16 divisors (see below), whose sum is σ = 4525632. Its totient is φ = 1117440.

The previous prime is 2623639. The next prime is 2623651. The reversal of 2623642 is 2463262.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2217 + ... + 3187.

It is an arithmetic number, because the mean of its divisors is an integer number (282852).

2^2623642 is an apocalyptic number.

2623642 is a deficient number, since it is larger than the sum of its proper divisors (1901990).

2623642 is a wasteful number, since it uses less digits than its factorization.

2623642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1173.

The product of its digits is 3456, while the sum is 25.

The square root of 2623642 is about 1619.7660324874. The cubic root of 2623642 is about 137.9224166584.

The spelling of 2623642 in words is "two million, six hundred twenty-three thousand, six hundred forty-two".