2356842 has 8 divisors (see below), whose sum is σ = 4713696. Its totient is φ = 785612.

The previous prime is 2356831. The next prime is 2356843. The reversal of 2356842 is 2486532.

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

2356842 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (2356843) 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 3 ways as a sum of consecutive naturals, for example, 196398 + ... + 196409.

It is an arithmetic number, because the mean of its divisors is an integer number (589212).

2^2356842 is an apocalyptic number.

2356842 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2356842 is a wasteful number, since it uses less digits than its factorization.

2356842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 392812.

The product of its digits is 11520, while the sum is 30.

The square root of 2356842 is about 1535.2009640435. The cubic root of 2356842 is about 133.0791922891.

It can be divided in two parts, 23 and 56842, that added together give a palindrome (56865).

The spelling of 2356842 in words is "two million, three hundred fifty-six thousand, eight hundred forty-two".