3893091 has 16 divisors (see below), whose sum is σ = 5381376. Its totient is φ = 2501856.

The previous prime is 3893089. The next prime is 3893093. The reversal of 3893091 is 1903983.

It is an interprime number because it is at equal distance from previous prime (3893089) and next prime (3893093).

It is not a de Polignac number, because 3893091 - 2¹ = 3893089 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3893093) 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, 13141 + ... + 13433.

It is an arithmetic number, because the mean of its divisors is an integer number (336336).

Almost surely, 2^3893091 is an apocalyptic number.

3893091 is a deficient number, since it is larger than the sum of its proper divisors (1488285).

3893091 is a wasteful number, since it uses less digits than its factorization.

3893091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 442.

The product of its (nonzero) digits is 5832, while the sum is 33.

The square root of 3893091 is about 1973.0917363367. The cubic root of 3893091 is about 157.3130864056.

The spelling of 3893091 in words is "three million, eight hundred ninety-three thousand, ninety-one".