84054942 has 16 divisors (see below), whose sum is σ = 186788880. Its totient is φ = 28018296.

The previous prime is 84054931. The next prime is 84054947. The reversal of 84054942 is 24945048.

It is a junction number, because it is equal to n+sod(n) for n = 84054897 and 84054906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84054947) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 778233 + ... + 778340.

It is an arithmetic number, because the mean of its divisors is an integer number (11674305).

Almost surely, 2^84054942 is an apocalyptic number.

84054942 is an abundant number, since it is smaller than the sum of its proper divisors (102733938).

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

84054942 is a wasteful number, since it uses less digits than its factorization.

84054942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1556584 (or 1556578 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The square root of 84054942 is about 9168.1482317860. The cubic root of 84054942 is about 438.0473771233.

The spelling of 84054942 in words is "eighty-four million, fifty-four thousand, nine hundred forty-two".