2634386 has 4 divisors (see below), whose sum is σ = 3951582. Its totient is φ = 1317192.

The previous prime is 2634377. The next prime is 2634403. The reversal of 2634386 is 6834362.

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

It can be written as a sum of positive squares in only one way, i.e., 2621161 + 13225 = 1619^2 + 115^2 .

It is a d-powerful number, because it can be written as 2¹¹ + 6 + 3⁷ + 4⁴ + 3¹² + 8⁷ + 6⁴ .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 658595 + ... + 658598.

2^2634386 is an apocalyptic number.

2634386 is a deficient number, since it is larger than the sum of its proper divisors (1317196).

2634386 is a wasteful number, since it uses less digits than its factorization.

2634386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1317195.

The product of its digits is 20736, while the sum is 32.

The square root of 2634386 is about 1623.0791724374. The cubic root of 2634386 is about 138.1104276103.

The spelling of 2634386 in words is "two million, six hundred thirty-four thousand, three hundred eighty-six".