84407842 has 8 divisors (see below), whose sum is σ = 133275600. Its totient is φ = 39982644.

The previous prime is 84407833. The next prime is 84407849. The reversal of 84407842 is 24870448.

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

It is not an unprimeable number, because it can be changed into a prime (84407849) 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, 1110592 + ... + 1110667.

It is an arithmetic number, because the mean of its divisors is an integer number (16659450).

Almost surely, 2^84407842 is an apocalyptic number.

84407842 is a deficient number, since it is larger than the sum of its proper divisors (48867758).

84407842 is a wasteful number, since it uses less digits than its factorization.

84407842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2221280.

The product of its (nonzero) digits is 57344, while the sum is 37.

The square root of 84407842 is about 9187.3740535585. The cubic root of 84407842 is about 438.6595603667.

The spelling of 84407842 in words is "eighty-four million, four hundred seven thousand, eight hundred forty-two".