84493220 has 24 divisors (see below), whose sum is σ = 202784064. Its totient is φ = 28969056.

The previous prime is 84493207. The next prime is 84493223. The reversal of 84493220 is 2239448.

It is not an unprimeable number, because it can be changed into a prime (84493223) 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, 301622 + ... + 301901.

It is an arithmetic number, because the mean of its divisors is an integer number (8449336).

Almost surely, 2^84493220 is an apocalyptic number.

It is an amenable number.

84493220 is an abundant number, since it is smaller than the sum of its proper divisors (118290844).

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

84493220 is a wasteful number, since it uses less digits than its factorization.

84493220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 603539 (or 603537 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 84493220 is about 9192.0193646445. The cubic root of 84493220 is about 438.8074109878.

The spelling of 84493220 in words is "eighty-four million, four hundred ninety-three thousand, two hundred twenty".