3641538 has 32 divisors (see below), whose sum is σ = 7584192. Its totient is φ = 1164800.

The previous prime is 3641537. The next prime is 3641549. The reversal of 3641538 is 8351463.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3641537) 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, 27733 + ... + 27863.

It is an arithmetic number, because the mean of its divisors is an integer number (237006).

Almost surely, 2^3641538 is an apocalyptic number.

3641538 is an abundant number, since it is smaller than the sum of its proper divisors (3942654).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3641538 is a wasteful number, since it uses less digits than its factorization.

3641538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290.

The product of its digits is 8640, while the sum is 30.

The square root of 3641538 is about 1908.2814257860. The cubic root of 3641538 is about 153.8490960078.

The spelling of 3641538 in words is "three million, six hundred forty-one thousand, five hundred thirty-eight".