3620237 has 4 divisors (see below), whose sum is σ = 3624060. Its totient is φ = 3616416.

The previous prime is 3620231. The next prime is 3620249. The reversal of 3620237 is 7320263.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 2477476 + 1142761 = 1574^2 + 1069^2 .

It is a cyclic number.

It is not a de Polignac number, because 3620237 - 2⁸ = 3619981 is a prime.

It is a super-2 number, since 2×3620237² = 26212231872338, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3620231) 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, 689 + ... + 2777.

It is an arithmetic number, because the mean of its divisors is an integer number (906015).

Almost surely, 2^3620237 is an apocalyptic number.

It is an amenable number.

3620237 is a deficient number, since it is larger than the sum of its proper divisors (3823).

3620237 is a wasteful number, since it uses less digits than its factorization.

3620237 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3822.

The product of its (nonzero) digits is 1512, while the sum is 23.

The square root of 3620237 is about 1902.6920402419. The cubic root of 3620237 is about 153.5485315885.

The spelling of 3620237 in words is "three million, six hundred twenty thousand, two hundred thirty-seven".