3641838 has 16 divisors (see below), whose sum is σ = 7303296. Its totient is φ = 1210680.

The previous prime is 3641831. The next prime is 3641851. The reversal of 3641838 is 8381463.

It is a junction number, because it is equal to n+sod(n) for n = 3641799 and 3641808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3641831) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2895 + ... + 3957.

It is an arithmetic number, because the mean of its divisors is an integer number (456456).

Almost surely, 2^3641838 is an apocalyptic number.

3641838 is an abundant number, since it is smaller than the sum of its proper divisors (3661458).

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

3641838 is a wasteful number, since it uses less digits than its factorization.

3641838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1639.

The product of its digits is 13824, while the sum is 33.

The square root of 3641838 is about 1908.3600289254. The cubic root of 3641838 is about 153.8533207302.

The spelling of 3641838 in words is "three million, six hundred forty-one thousand, eight hundred thirty-eight".