2638234 has 8 divisors (see below), whose sum is σ = 4032180. Its totient is φ = 1294176.

The previous prime is 2638231. The next prime is 2638243. The reversal of 2638234 is 4328362.

It can be written as a sum of positive squares in 2 ways, for example, as 2480625 + 157609 = 1575^2 + 397^2 .

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

It is a d-powerful number, because it can be written as 2¹³ + 6⁴ + 3⁴ + 8 + 2²¹ + 3¹² + 4³ .

It is not an unprimeable number, because it can be changed into a prime (2638231) 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, 12339 + ... + 12550.

2^2638234 is an apocalyptic number.

2638234 is a deficient number, since it is larger than the sum of its proper divisors (1393946).

2638234 is a wasteful number, since it uses less digits than its factorization.

2638234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24944.

The product of its digits is 6912, while the sum is 28.

The square root of 2638234 is about 1624.2641410805. The cubic root of 2638234 is about 138.1776400304.

The spelling of 2638234 in words is "two million, six hundred thirty-eight thousand, two hundred thirty-four".