84219234 has 16 divisors (see below), whose sum is σ = 183751200. Its totient is φ = 25520960.

The previous prime is 84219221. The next prime is 84219259. The reversal of 84219234 is 43291248.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 84219195 and 84219204.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 637959 + ... + 638090.

It is an arithmetic number, because the mean of its divisors is an integer number (11484450).

Almost surely, 2^84219234 is an apocalyptic number.

84219234 is an abundant number, since it is smaller than the sum of its proper divisors (99531966).

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

84219234 is a wasteful number, since it uses less digits than its factorization.

84219234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1276065.

The product of its digits is 13824, while the sum is 33.

The square root of 84219234 is about 9177.1037915020. The cubic root of 84219234 is about 438.3325907387.

The spelling of 84219234 in words is "eighty-four million, two hundred nineteen thousand, two hundred thirty-four".