84391448 has 32 divisors (see below), whose sum is σ = 162736560. Its totient is φ = 41003520.

The previous prime is 84391403. The next prime is 84391453. The reversal of 84391448 is 84419348.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a congruent number.

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, 149615 + ... + 150177.

Almost surely, 2^84391448 is an apocalyptic number.

It is an amenable number.

84391448 is a deficient number, since it is larger than the sum of its proper divisors (78345112).

84391448 is a wasteful number, since it uses less digits than its factorization.

84391448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1067 (or 1063 counting only the distinct ones).

The product of its digits is 110592, while the sum is 41.

The square root of 84391448 is about 9186.4818075257. The cubic root of 84391448 is about 438.6311591728.

The spelling of 84391448 in words is "eighty-four million, three hundred ninety-one thousand, four hundred forty-eight".