84124285 has 8 divisors (see below), whose sum is σ = 115370496. Its totient is φ = 57685200.

The previous prime is 84124283. The next prime is 84124291. The reversal of 84124285 is 58242148.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 84124285 - 2¹ = 84124283 is a prime.

It is a super-2 number, since 2×84124285² = 14153790653522450, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 84124285.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84124283) 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 7 ways as a sum of consecutive naturals, for example, 1201741 + ... + 1201810.

It is an arithmetic number, because the mean of its divisors is an integer number (14421312).

Almost surely, 2^84124285 is an apocalyptic number.

It is an amenable number.

84124285 is a deficient number, since it is larger than the sum of its proper divisors (31246211).

84124285 is a wasteful number, since it uses less digits than its factorization.

84124285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2403563.

The product of its digits is 20480, while the sum is 34.

The square root of 84124285 is about 9171.9291863817. The cubic root of 84124285 is about 438.1678029994.

The spelling of 84124285 in words is "eighty-four million, one hundred twenty-four thousand, two hundred eighty-five".