3638061 has 16 divisors (see below), whose sum is σ = 6160000. Its totient is φ = 2078784.

The previous prime is 3638059. The next prime is 3638077. The reversal of 3638061 is 1608363.

It is not a de Polignac number, because 3638061 - 2¹ = 3638059 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3634061) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9436 + ... + 9813.

It is an arithmetic number, because the mean of its divisors is an integer number (385000).

Almost surely, 2^3638061 is an apocalyptic number.

It is an amenable number.

3638061 is a deficient number, since it is larger than the sum of its proper divisors (2521939).

3638061 is a wasteful number, since it uses less digits than its factorization.

3638061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19265 (or 19259 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 3638061 is about 1907.3701790686. The cubic root of 3638061 is about 153.8001145380.

The spelling of 3638061 in words is "three million, six hundred thirty-eight thousand, sixty-one".