84830379 has 8 divisors (see below), whose sum is σ = 113200080. Its totient is φ = 56507136.

The previous prime is 84830341. The next prime is 84830393. The reversal of 84830379 is 97303848.

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

It is not a de Polignac number, because 84830379 - 2¹⁵ = 84797611 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 84830379.

It is not an unprimeable number, because it can be changed into a prime (84830479) 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, 7102 + ... + 14835.

It is an arithmetic number, because the mean of its divisors is an integer number (14150010).

Almost surely, 2^84830379 is an apocalyptic number.

84830379 is a deficient number, since it is larger than the sum of its proper divisors (28369701).

84830379 is a wasteful number, since it uses less digits than its factorization.

84830379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23229.

The product of its (nonzero) digits is 145152, while the sum is 42.

The square root of 84830379 is about 9210.3408731708. The cubic root of 84830379 is about 439.3903039670.

The spelling of 84830379 in words is "eighty-four million, eight hundred thirty thousand, three hundred seventy-nine".