84245508 has 30 divisors (see below), whose sum is σ = 220235246. Its totient is φ = 28081728.

The previous prime is 84245501. The next prime is 84245509. The reversal of 84245508 is 80554248.

84245508 is a `hidden beast` number, since 84 + 24 + 550 + 8 = 666.

It can be written as a sum of positive squares in only one way, i.e., 63011844 + 21233664 = 7938^2 + 4608^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (84245501) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 129685 + ... + 130332.

Almost surely, 2^84245508 is an apocalyptic number.

It is an amenable number.

84245508 is an abundant number, since it is smaller than the sum of its proper divisors (135989738).

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

84245508 is a wasteful number, since it uses less digits than its factorization.

84245508 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260033 (or 260022 counting only the distinct ones).

The product of its (nonzero) digits is 51200, while the sum is 36.

The square root of 84245508 is about 9178.5351772491. The cubic root of 84245508 is about 438.3781684233.

The spelling of 84245508 in words is "eighty-four million, two hundred forty-five thousand, five hundred eight".