8436142 has 24 divisors (see below), whose sum is σ = 14954760. Its totient is φ = 3538080.

The previous prime is 8436137. The next prime is 8436143. The reversal of 8436142 is 2416348.

It is a self number, because there is not a number n which added to its sum of digits gives 8436142.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8436143) 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 11 ways as a sum of consecutive naturals, for example, 2584 + ... + 4852.

It is an arithmetic number, because the mean of its divisors is an integer number (623115).

Almost surely, 2^8436142 is an apocalyptic number.

8436142 is a deficient number, since it is larger than the sum of its proper divisors (6518618).

8436142 is a wasteful number, since it uses less digits than its factorization.

8436142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2308 (or 2295 counting only the distinct ones).

The product of its digits is 4608, while the sum is 28.

The square root of 8436142 is about 2904.5037441876. The cubic root of 8436142 is about 203.5703986464.

The spelling of 8436142 in words is "eight million, four hundred thirty-six thousand, one hundred forty-two".