3621337 has 4 divisors (see below), whose sum is σ = 3625216. Its totient is φ = 3617460.

The previous prime is 3621329. The next prime is 3621341. The reversal of 3621337 is 7331263.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 7331263 = 2053 ⋅3571.

It is a cyclic number.

It is not a de Polignac number, because 3621337 - 2³ = 3621329 is a prime.

It is a super-2 number, since 2×3621337² = 26228163335138, which contains 22 as substring.

It is a Duffinian number.

3621337 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3621347) 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, 412 + ... + 2722.

It is an arithmetic number, because the mean of its divisors is an integer number (906304).

Almost surely, 2^3621337 is an apocalyptic number.

It is an amenable number.

3621337 is a deficient number, since it is larger than the sum of its proper divisors (3879).

3621337 is a wasteful number, since it uses less digits than its factorization.

3621337 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3878.

The product of its digits is 2268, while the sum is 25.

The square root of 3621337 is about 1902.9810824073. The cubic root of 3621337 is about 153.5640817933.

The spelling of 3621337 in words is "three million, six hundred twenty-one thousand, three hundred thirty-seven".