3631662 has 32 divisors (see below), whose sum is σ = 8157600. Its totient is φ = 1197504.

The previous prime is 3631637. The next prime is 3631703. The reversal of 3631662 is 2661363.

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

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5578 + ... + 6194.

It is an arithmetic number, because the mean of its divisors is an integer number (254925).

Almost surely, 2^3631662 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3631662, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4078800).

3631662 is an abundant number, since it is smaller than the sum of its proper divisors (4525938).

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

3631662 is a wasteful number, since it uses less digits than its factorization.

3631662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 737 (or 731 counting only the distinct ones).

The product of its digits is 3888, while the sum is 27.

The square root of 3631662 is about 1905.6920002981. The cubic root of 3631662 is about 153.7098884060.

Subtracting from 3631662 its reverse (2661363), we obtain a cube (970299 = 99³).

It can be divided in two parts, 363 and 1662, that multiplied together give a palindrome (603306).

The spelling of 3631662 in words is "three million, six hundred thirty-one thousand, six hundred sixty-two".