2634634 has 4 divisors (see below), whose sum is σ = 3951954. Its totient is φ = 1317316.

The previous prime is 2634631. The next prime is 2634649. The reversal of 2634634 is 4364362.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4364362 = 2 ⋅2182181.

It can be written as a sum of positive squares in only one way, i.e., 2569609 + 65025 = 1603^2 + 255^2 .

It is a d-powerful number, because it can be written as 2²¹ + 6² + 3⁸ + 4⁹ + 6² + 3⁸ + 4⁹ .

It is not an unprimeable number, because it can be changed into a prime (2634631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 658657 + ... + 658660.

2^2634634 is an apocalyptic number.

2634634 is a deficient number, since it is larger than the sum of its proper divisors (1317320).

2634634 is a wasteful number, since it uses less digits than its factorization.

2634634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1317319.

The product of its digits is 10368, while the sum is 28.

The square root of 2634634 is about 1623.1555686378. The cubic root of 2634634 is about 138.1147613603.

Adding to 2634634 its reverse (4364362), we get a palindrome (6998996).

The spelling of 2634634 in words is "two million, six hundred thirty-four thousand, six hundred thirty-four".