2735638 has 4 divisors (see below), whose sum is σ = 4103460. Its totient is φ = 1367818.

The previous prime is 2735611. The next prime is 2735641. The reversal of 2735638 is 8365372.

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

It is a d-powerful number, because it can be written as 2²⁰ + 7⁴ + 3⁴ + 5⁴ + 6⁸ + 3⁵ + 8⁴ .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 683908 + ... + 683911.

It is an arithmetic number, because the mean of its divisors is an integer number (1025865).

2^2735638 is an apocalyptic number.

2735638 is a deficient number, since it is larger than the sum of its proper divisors (1367822).

2735638 is a wasteful number, since it uses less digits than its factorization.

2735638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1367821.

The product of its digits is 30240, while the sum is 34.

The square root of 2735638 is about 1653.9764206300. The cubic root of 2735638 is about 139.8576444139.

The spelling of 2735638 in words is "two million, seven hundred thirty-five thousand, six hundred thirty-eight".