3621126 has 8 divisors (see below), whose sum is σ = 7242264. Its totient is φ = 1207040.

The previous prime is 3621113. The next prime is 3621127. The reversal of 3621126 is 6211263.

It is a happy number.

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

3621126 is an admirable number.

It is a super-2 number, since 2×3621126² = 26225107015752, which contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3621127) 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, 301755 + ... + 301766.

It is an arithmetic number, because the mean of its divisors is an integer number (905283).

Almost surely, 2^3621126 is an apocalyptic number.

3621126 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.

3621126 is a wasteful number, since it uses less digits than its factorization.

3621126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 603526.

The product of its digits is 432, while the sum is 21.

The square root of 3621126 is about 1902.9256422677. The cubic root of 3621126 is about 153.5610992254.

Adding to 3621126 its reverse (6211263), we get a palindrome (9832389).

The spelling of 3621126 in words is "three million, six hundred twenty-one thousand, one hundred twenty-six".