3621268 has 24 divisors (see below), whose sum is σ = 7284032. Its totient is φ = 1543104.

The previous prime is 3621263. The next prime is 3621269. The reversal of 3621268 is 8621263.

It is a super-2 number, since 2×3621268² = 26227163855648, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3621263) 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, 7696 + ... + 8152.

Almost surely, 2^3621268 is an apocalyptic number.

It is an amenable number.

3621268 is an abundant number, since it is smaller than the sum of its proper divisors (3662764).

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

3621268 is a wasteful number, since it uses less digits than its factorization.

3621268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 751 (or 749 counting only the distinct ones).

The product of its digits is 3456, while the sum is 28.

The square root of 3621268 is about 1902.9629528711. The cubic root of 3621268 is about 153.5631064640.

The spelling of 3621268 in words is "three million, six hundred twenty-one thousand, two hundred sixty-eight".