84355424 has 12 divisors (see below), whose sum is σ = 166074804. Its totient is φ = 42177696.

The previous prime is 84355393. The next prime is 84355429. The reversal of 84355424 is 42455348.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84355429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1318022 + ... + 1318085.

It is an arithmetic number, because the mean of its divisors is an integer number (13839567).

Almost surely, 2^84355424 is an apocalyptic number.

It is an amenable number.

84355424 is a deficient number, since it is larger than the sum of its proper divisors (81719380).

84355424 is a wasteful number, since it uses less digits than its factorization.

84355424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2636117 (or 2636109 counting only the distinct ones).

The product of its digits is 76800, while the sum is 35.

The square root of 84355424 is about 9184.5208911516. The cubic root of 84355424 is about 438.5687377698.

The spelling of 84355424 in words is "eighty-four million, three hundred fifty-five thousand, four hundred twenty-four".