84820433 has 4 divisors (see below), whose sum is σ = 87556608. Its totient is φ = 82084260.

The previous prime is 84820423. The next prime is 84820451. The reversal of 84820433 is 33402848.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 84820433 - 2²² = 80626129 is a prime.

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 84820433.

It is not an unprimeable number, because it can be changed into a prime (84820423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1368041 + ... + 1368102.

It is an arithmetic number, because the mean of its divisors is an integer number (21889152).

Almost surely, 2^84820433 is an apocalyptic number.

It is an amenable number.

84820433 is a deficient number, since it is larger than the sum of its proper divisors (2736175).

84820433 is a wasteful number, since it uses less digits than its factorization.

84820433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2736174.

The product of its (nonzero) digits is 18432, while the sum is 32.

The square root of 84820433 is about 9209.8009207583. The cubic root of 84820433 is about 439.3731310830.

The spelling of 84820433 in words is "eighty-four million, eight hundred twenty thousand, four hundred thirty-three".