84455340 has 48 divisors (see below), whose sum is σ = 237438432. Its totient is φ = 22429696.

The previous prime is 84455339. The next prime is 84455347. The reversal of 84455340 is 4355448.

It is not an unprimeable number, because it can be changed into a prime (84455347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12682 + ... + 18158.

It is an arithmetic number, because the mean of its divisors is an integer number (4946634).

Almost surely, 2^84455340 is an apocalyptic number.

It is an amenable number.

84455340 is an abundant number, since it is smaller than the sum of its proper divisors (152983092).

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

84455340 is a wasteful number, since it uses less digits than its factorization.

84455340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5746 (or 5744 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 33.

The square root of 84455340 is about 9189.9586506143. The cubic root of 84455340 is about 438.7418258069.

The spelling of 84455340 in words is "eighty-four million, four hundred fifty-five thousand, three hundred forty".