8407142 has 16 divisors (see below), whose sum is σ = 12936672. Its totient is φ = 4096320.

The previous prime is 8407141. The next prime is 8407151. The reversal of 8407142 is 2417048.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8407141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16463 + ... + 16965.

It is an arithmetic number, because the mean of its divisors is an integer number (808542).

Almost surely, 2^8407142 is an apocalyptic number.

8407142 is a deficient number, since it is larger than the sum of its proper divisors (4529530).

8407142 is a wasteful number, since it uses less digits than its factorization.

8407142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 703.

The product of its (nonzero) digits is 1792, while the sum is 26.

The square root of 8407142 is about 2899.5071995082. The cubic root of 8407142 is about 203.3368669696.

The spelling of 8407142 in words is "eight million, four hundred seven thousand, one hundred forty-two".