3721085 has 8 divisors (see below), whose sum is σ = 4609536. Its totient is φ = 2880720.

The previous prime is 3721063. The next prime is 3721087. The reversal of 3721085 is 5801273.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-3721085 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 (3721087) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11849 + ... + 12158.

It is an arithmetic number, because the mean of its divisors is an integer number (576192).

Almost surely, 2^3721085 is an apocalyptic number.

It is an amenable number.

3721085 is a deficient number, since it is larger than the sum of its proper divisors (888451).

3721085 is a wasteful number, since it uses less digits than its factorization.

3721085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24043.

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 3721085 is about 1929.0114048393. The cubic root of 3721085 is about 154.9612806512.

The spelling of 3721085 in words is "three million, seven hundred twenty-one thousand, eighty-five".