84401142 has 32 divisors (see below), whose sum is σ = 193190400. Its totient is φ = 24080448.

The previous prime is 84401089. The next prime is 84401147. The reversal of 84401142 is 24110448.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84401147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53359 + ... + 54917.

It is an arithmetic number, because the mean of its divisors is an integer number (6037200).

Almost surely, 2^84401142 is an apocalyptic number.

84401142 is an abundant number, since it is smaller than the sum of its proper divisors (108789258).

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

84401142 is a wasteful number, since it uses less digits than its factorization.

84401142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2860.

The product of its (nonzero) digits is 1024, while the sum is 24.

The square root of 84401142 is about 9187.0094154736. The cubic root of 84401142 is about 438.6479536378.

The spelling of 84401142 in words is "eighty-four million, four hundred one thousand, one hundred forty-two".