3915001 has 4 divisors (see below), whose sum is σ = 3919104. Its totient is φ = 3910900.

The previous prime is 3914987. The next prime is 3915013. The reversal of 3915001 is 1005193.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 3915001 - 2⁷ = 3914873 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3915001.

It is not an unprimeable number, because it can be changed into a prime (3915031) 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, 216 + ... + 2806.

It is an arithmetic number, because the mean of its divisors is an integer number (979776).

Almost surely, 2^3915001 is an apocalyptic number.

It is an amenable number.

3915001 is a deficient number, since it is larger than the sum of its proper divisors (4103).

3915001 is a wasteful number, since it uses less digits than its factorization.

3915001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4102.

The product of its (nonzero) digits is 135, while the sum is 19.

The square root of 3915001 is about 1978.6361464403. The cubic root of 3915001 is about 157.6076495939.

The spelling of 3915001 in words is "three million, nine hundred fifteen thousand, one".