3895091 has 4 divisors (see below), whose sum is σ = 4124232. Its totient is φ = 3665952.

The previous prime is 3895079. The next prime is 3895097. The reversal of 3895091 is 1905983.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3895091 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3895097) 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, 114545 + ... + 114578.

It is an arithmetic number, because the mean of its divisors is an integer number (1031058).

Almost surely, 2^3895091 is an apocalyptic number.

3895091 is a deficient number, since it is larger than the sum of its proper divisors (229141).

3895091 is a wasteful number, since it uses less digits than its factorization.

3895091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229140.

The product of its (nonzero) digits is 9720, while the sum is 35.

The square root of 3895091 is about 1973.5984900683. The cubic root of 3895091 is about 157.3400206429.

The spelling of 3895091 in words is "three million, eight hundred ninety-five thousand, ninety-one".