3631938 has 8 divisors (see below), whose sum is σ = 7263888. Its totient is φ = 1210644.

The previous prime is 3631937. The next prime is 3631951. The reversal of 3631938 is 8391363.

It is a sphenic number, since it is the product of 3 distinct primes.

3631938 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 3631899 and 3631908.

It is not an unprimeable number, because it can be changed into a prime (3631937) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 302656 + ... + 302667.

It is an arithmetic number, because the mean of its divisors is an integer number (907986).

Almost surely, 2^3631938 is an apocalyptic number.

3631938 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

3631938 is a wasteful number, since it uses less digits than its factorization.

3631938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 605328.

The product of its digits is 11664, while the sum is 33.

The square root of 3631938 is about 1905.7644135622. The cubic root of 3631938 is about 153.7137822021.

The spelling of 3631938 in words is "three million, six hundred thirty-one thousand, nine hundred thirty-eight".