3640017 has 4 divisors (see below), whose sum is σ = 4853360. Its totient is φ = 2426676.

The previous prime is 3639997. The next prime is 3640019. The reversal of 3640017 is 7100463.

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 not a de Polignac number, because 3640017 - 2¹⁰ = 3638993 is a prime.

It is a D-number.

It is a Duffinian number.

3640017 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 3639975 and 3640002.

It is not an unprimeable number, because it can be changed into a prime (3640019) 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, 606667 + ... + 606672.

It is an arithmetic number, because the mean of its divisors is an integer number (1213340).

Almost surely, 2^3640017 is an apocalyptic number.

It is an amenable number.

3640017 is a deficient number, since it is larger than the sum of its proper divisors (1213343).

3640017 is a wasteful number, since it uses less digits than its factorization.

3640017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1213342.

The product of its (nonzero) digits is 504, while the sum is 21.

The square root of 3640017 is about 1907.8828580392. The cubic root of 3640017 is about 153.8276730942.

The spelling of 3640017 in words is "three million, six hundred forty thousand, seventeen".