84372212 has 6 divisors (see below), whose sum is σ = 147651378. Its totient is φ = 42186104.

The previous prime is 84372209. The next prime is 84372221. The reversal of 84372212 is 21227348.

It can be written as a sum of positive squares in only one way, i.e., 73376356 + 10995856 = 8566^2 + 3316^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10546523 + ... + 10546530.

It is an arithmetic number, because the mean of its divisors is an integer number (24608563).

Almost surely, 2^84372212 is an apocalyptic number.

It is an amenable number.

84372212 is a deficient number, since it is larger than the sum of its proper divisors (63279166).

84372212 is a wasteful number, since it uses less digits than its factorization.

84372212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21093057 (or 21093055 counting only the distinct ones).

The product of its digits is 5376, while the sum is 29.

The square root of 84372212 is about 9185.4347746854. The cubic root of 84372212 is about 438.5978297682.

The spelling of 84372212 in words is "eighty-four million, three hundred seventy-two thousand, two hundred twelve".