2906091 has 16 divisors (see below), whose sum is σ = 4423200. Its totient is φ = 1884384.

The previous prime is 2906089. The next prime is 2906129. The reversal of 2906091 is 1906092.

It is a happy number.

It is not a de Polignac number, because 2906091 - 2¹ = 2906089 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (2906011) 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, 456 + ... + 2453.

It is an arithmetic number, because the mean of its divisors is an integer number (276450).

2^2906091 is an apocalyptic number.

2906091 is a deficient number, since it is larger than the sum of its proper divisors (1517109).

2906091 is a wasteful number, since it uses less digits than its factorization.

2906091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2955 (or 2949 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 27.

The square root of 2906091 is about 1704.7260777028. The cubic root of 2906091 is about 142.7040843082.

Subtracting from 2906091 its reverse (1906092), we obtain a palindrome (999999).

The spelling of 2906091 in words is "two million, nine hundred six thousand, ninety-one".