84440212 has 12 divisors (see below), whose sum is σ = 148005396. Its totient is φ = 42152960.

The previous prime is 84440203. The next prime is 84440221. The reversal of 84440212 is 21204448.

It is an interprime number because it is at equal distance from previous prime (84440203) and next prime (84440221).

It can be written as a sum of positive squares in 2 ways, for example, as 38390416 + 46049796 = 6196^2 + 6786^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13903 + ... + 19030.

It is an arithmetic number, because the mean of its divisors is an integer number (12333783).

Almost surely, 2^84440212 is an apocalyptic number.

It is an amenable number.

84440212 is a deficient number, since it is larger than the sum of its proper divisors (63565184).

84440212 is a wasteful number, since it uses less digits than its factorization.

84440212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33578 (or 33576 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 25.

The square root of 84440212 is about 9189.1355414968. The cubic root of 84440212 is about 438.7156278081.

The spelling of 84440212 in words is "eighty-four million, four hundred forty thousand, two hundred twelve".