2091235 has 8 divisors (see below), whose sum is σ = 2641680. Its totient is φ = 1584864.

The previous prime is 2091227. The next prime is 2091239. The reversal of 2091235 is 5321902.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2091235 - 2³ = 2091227 is a prime.

2091235 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2091239) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10912 + ... + 11101.

It is an arithmetic number, because the mean of its divisors is an integer number (330210).

2^2091235 is an apocalyptic number.

2091235 is a deficient number, since it is larger than the sum of its proper divisors (550445).

2091235 is a wasteful number, since it uses less digits than its factorization.

2091235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22037.

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 2091235 is about 1446.1103000809. The cubic root of 2091235 is about 127.8795049322.

It can be divided in two parts, 209 and 1235, that added together give a square (1444 = 38²).

The spelling of 2091235 in words is "two million, ninety-one thousand, two hundred thirty-five".