84029280 has 48 divisors (see below), whose sum is σ = 264693744. Its totient is φ = 22407680.

The previous prime is 84029263. The next prime is 84029287. The reversal of 84029280 is 8292048.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84029287) 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, 87051 + ... + 88010.

It is an arithmetic number, because the mean of its divisors is an integer number (5514453).

Almost surely, 2^84029280 is an apocalyptic number.

84029280 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

84029280 is an abundant number, since it is smaller than the sum of its proper divisors (180664464).

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

84029280 is a wasteful number, since it uses less digits than its factorization.

84029280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175079 (or 175071 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 33.

The square root of 84029280 is about 9166.7486056944. The cubic root of 84029280 is about 438.0027939189.

The spelling of 84029280 in words is "eighty-four million, twenty-nine thousand, two hundred eighty".