3721317 has 16 divisors (see below), whose sum is σ = 5303232. Its totient is φ = 2312960.

The previous prime is 3721303. The next prime is 3721327. The reversal of 3721317 is 7131273.

It is a cyclic number.

It is not a de Polignac number, because 3721317 - 2⁴ = 3721301 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3721327) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6403 + ... + 6959.

It is an arithmetic number, because the mean of its divisors is an integer number (331452).

Almost surely, 2^3721317 is an apocalyptic number.

It is an amenable number.

3721317 is a deficient number, since it is larger than the sum of its proper divisors (1581915).

3721317 is a wasteful number, since it uses less digits than its factorization.

3721317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 708.

The product of its digits is 882, while the sum is 24.

The square root of 3721317 is about 1929.0715383313. The cubic root of 3721317 is about 154.9645010623.

The spelling of 3721317 in words is "three million, seven hundred twenty-one thousand, three hundred seventeen".