84829819 has 8 divisors (see below), whose sum is σ = 88613280. Its totient is φ = 81054336.

The previous prime is 84829763. The next prime is 84829859. The reversal of 84829819 is 91892848.

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

It is a cyclic number.

It is not a de Polignac number, because 84829819 - 2⁷ = 84829691 is a prime.

It is a super-2 number, since 2×84829819² = 14392196383145522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84829859) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33009 + ... + 35485.

It is an arithmetic number, because the mean of its divisors is an integer number (11076660).

Almost surely, 2^84829819 is an apocalyptic number.

84829819 is a deficient number, since it is larger than the sum of its proper divisors (3783461).

84829819 is a wasteful number, since it uses less digits than its factorization.

84829819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3989.

The product of its digits is 331776, while the sum is 49.

The square root of 84829819 is about 9210.3104725085. The cubic root of 84829819 is about 439.3893370999.

The spelling of 84829819 in words is "eighty-four million, eight hundred twenty-nine thousand, eight hundred nineteen".