2638294 has 4 divisors (see below), whose sum is σ = 3957444. Its totient is φ = 1319146.

The previous prime is 2638271. The next prime is 2638297. The reversal of 2638294 is 4928362.

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

It is an Ulam number.

It is a d-powerful number, because it can be written as 2 + 6³ + 3⁵ + 8⁷ + 2¹⁹ + 9 + 4⁷ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2638297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 659572 + ... + 659575.

It is an arithmetic number, because the mean of its divisors is an integer number (989361).

2^2638294 is an apocalyptic number.

2638294 is a deficient number, since it is larger than the sum of its proper divisors (1319150).

2638294 is a wasteful number, since it uses less digits than its factorization.

2638294 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1319149.

The product of its digits is 20736, while the sum is 34.

The square root of 2638294 is about 1624.2826108778. The cubic root of 2638294 is about 138.1786875235.

The spelling of 2638294 in words is "two million, six hundred thirty-eight thousand, two hundred ninety-four".