2353891 has 8 divisors (see below), whose sum is σ = 2493200. Its totient is φ = 2216160.

The previous prime is 2353877. The next prime is 2353913. The reversal of 2353891 is 1983532.

It is a happy number.

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

It is not a de Polignac number, because 2353891 - 2¹³ = 2345699 is a prime.

It is a d-powerful number, because it can be written as 2²¹ + 3⁶ + 5⁷ + 3¹¹ + 8 + 9³ + 1 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2353801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4081 + ... + 4621.

It is an arithmetic number, because the mean of its divisors is an integer number (311650).

2^2353891 is an apocalyptic number.

2353891 is a deficient number, since it is larger than the sum of its proper divisors (139309).

2353891 is a wasteful number, since it uses less digits than its factorization.

2353891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 789.

The product of its digits is 6480, while the sum is 31.

The square root of 2353891 is about 1534.2395510480. The cubic root of 2353891 is about 133.0236263076.

The spelling of 2353891 in words is "two million, three hundred fifty-three thousand, eight hundred ninety-one".