3917045 has 16 divisors (see below), whose sum is σ = 5166720. Its totient is φ = 2827200.

The previous prime is 3917041. The next prime is 3917047. The reversal of 3917045 is 5407193.

It is not a de Polignac number, because 3917045 - 2² = 3917041 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 3916999 and 3917017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3917041) 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, 12440 + ... + 12750.

It is an arithmetic number, because the mean of its divisors is an integer number (322920).

Almost surely, 2^3917045 is an apocalyptic number.

It is an amenable number.

3917045 is a deficient number, since it is larger than the sum of its proper divisors (1249675).

3917045 is a wasteful number, since it uses less digits than its factorization.

3917045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 556.

The product of its (nonzero) digits is 3780, while the sum is 29.

The square root of 3917045 is about 1979.1525964412. The cubic root of 3917045 is about 157.6350735109.

The spelling of 3917045 in words is "three million, nine hundred seventeen thousand, forty-five".