3634538 has 4 divisors (see below), whose sum is σ = 5451810. Its totient is φ = 1817268.

The previous prime is 3634531. The next prime is 3634559. The reversal of 3634538 is 8354363.

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., 2699449 + 935089 = 1643^2 + 967^2 .

It is a d-powerful number, because it can be written as 3² + 6⁸ + 3³ + 4⁵ + 5⁹ + 3⁶ + 8 .

It is not an unprimeable number, because it can be changed into a prime (3634531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 908633 + ... + 908636.

Almost surely, 2^3634538 is an apocalyptic number.

3634538 is a deficient number, since it is larger than the sum of its proper divisors (1817272).

3634538 is a wasteful number, since it uses less digits than its factorization.

3634538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1817271.

The product of its digits is 25920, while the sum is 32.

The square root of 3634538 is about 1906.4464325021. The cubic root of 3634538 is about 153.7504532121.

The spelling of 3634538 in words is "three million, six hundred thirty-four thousand, five hundred thirty-eight".