84440356 has 48 divisors (see below), whose sum is σ = 198414720. Its totient is φ = 30366720.

The previous prime is 84440353. The next prime is 84440359. The reversal of 84440356 is 65304448.

It is an interprime number because it is at equal distance from previous prime (84440353) and next prime (84440359).

It is not an unprimeable number, because it can be changed into a prime (84440353) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6541 + ... + 14548.

It is an arithmetic number, because the mean of its divisors is an integer number (4133640).

Almost surely, 2^84440356 is an apocalyptic number.

It is an amenable number.

84440356 is an abundant number, since it is smaller than the sum of its proper divisors (113974364).

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

84440356 is a wasteful number, since it uses less digits than its factorization.

84440356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21124 (or 21122 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 34.

The square root of 84440356 is about 9189.1433768333. The cubic root of 84440356 is about 438.7158771957.

The spelling of 84440356 in words is "eighty-four million, four hundred forty thousand, three hundred fifty-six".