84232945 has 4 divisors (see below), whose sum is σ = 101079540. Its totient is φ = 67386352.

The previous prime is 84232937. The next prime is 84232949. The reversal of 84232945 is 54923248.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 41422096 + 42810849 = 6436^2 + 6543^2 .

It is a cyclic number.

It is not a de Polignac number, because 84232945 - 2³ = 84232937 is a prime.

It is not an unprimeable number, because it can be changed into a prime (84232949) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8423290 + ... + 8423299.

It is an arithmetic number, because the mean of its divisors is an integer number (25269885).

Almost surely, 2^84232945 is an apocalyptic number.

It is an amenable number.

84232945 is a deficient number, since it is larger than the sum of its proper divisors (16846595).

84232945 is a wasteful number, since it uses less digits than its factorization.

84232945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16846594.

The product of its digits is 69120, while the sum is 37.

The square root of 84232945 is about 9177.8507832716. The cubic root of 84232945 is about 438.3563764851.

The spelling of 84232945 in words is "eighty-four million, two hundred thirty-two thousand, nine hundred forty-five".