2391235 has 16 divisors (see below), whose sum is σ = 3578112. Its totient is φ = 1490400.

The previous prime is 2391227. The next prime is 2391239. The reversal of 2391235 is 5321932.

It is a happy number.

2391235 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2391235 - 2³ = 2391227 is a prime.

It is a Duffinian number.

2391235 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2391239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2721 + ... + 3490.

It is an arithmetic number, because the mean of its divisors is an integer number (223632).

2^2391235 is an apocalyptic number.

2391235 is a deficient number, since it is larger than the sum of its proper divisors (1186877).

2391235 is a wasteful number, since it uses less digits than its factorization.

2391235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6234.

The product of its digits is 1620, while the sum is 25.

The square root of 2391235 is about 1546.3618593331. The cubic root of 2391235 is about 133.7234028692.

The spelling of 2391235 in words is "two million, three hundred ninety-one thousand, two hundred thirty-five".