84019144 has 16 divisors (see below), whose sum is σ = 171857520. Its totient is φ = 38190480.

The previous prime is 84019141. The next prime is 84019147. The reversal of 84019144 is 44191048.

It is an interprime number because it is at equal distance from previous prime (84019141) and next prime (84019147).

It is not an unprimeable number, because it can be changed into a prime (84019141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 477294 + ... + 477469.

It is an arithmetic number, because the mean of its divisors is an integer number (10741095).

Almost surely, 2^84019144 is an apocalyptic number.

It is an amenable number.

84019144 is an abundant number, since it is smaller than the sum of its proper divisors (87838376).

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

84019144 is a wasteful number, since it uses less digits than its factorization.

84019144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 954780 (or 954776 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 31.

The square root of 84019144 is about 9166.1957212357. The cubic root of 84019144 is about 437.9851819038.

The spelling of 84019144 in words is "eighty-four million, nineteen thousand, one hundred forty-four".