3633397 has 4 divisors (see below), whose sum is σ = 3695040. Its totient is φ = 3571756.

The previous prime is 3633391. The next prime is 3633401. The reversal of 3633397 is 7933363.

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.

It is a cyclic number.

It is not a de Polignac number, because 3633397 - 2⁷ = 3633269 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3633391) 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, 30733 + ... + 30850.

It is an arithmetic number, because the mean of its divisors is an integer number (923760).

Almost surely, 2^3633397 is an apocalyptic number.

It is an amenable number.

3633397 is a deficient number, since it is larger than the sum of its proper divisors (61643).

3633397 is an equidigital number, since it uses as much as digits as its factorization.

3633397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61642.

The product of its digits is 30618, while the sum is 34.

The square root of 3633397 is about 1906.1471611604. The cubic root of 3633397 is about 153.7343624345.

Subtracting from 3633397 its sum of digits (34), we obtain a palindrome (3633363).

It can be divided in two parts, 36 and 33397, that added together give a palindrome (33433).

The spelling of 3633397 in words is "three million, six hundred thirty-three thousand, three hundred ninety-seven".