84146441 has 4 divisors (see below), whose sum is σ = 84168084. Its totient is φ = 84124800.

The previous prime is 84146417. The next prime is 84146471. The reversal of 84146441 is 14464148.

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 7075600 + 77070841 = 2660^2 + 8779^2 .

It is a cyclic number.

It is not a de Polignac number, because 84146441 - 2²² = 79952137 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 84146398 and 84146407.

It is not an unprimeable number, because it can be changed into a prime (84146401) 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, 3200 + ... + 13361.

It is an arithmetic number, because the mean of its divisors is an integer number (21042021).

Almost surely, 2^84146441 is an apocalyptic number.

It is an amenable number.

84146441 is a deficient number, since it is larger than the sum of its proper divisors (21643).

84146441 is a wasteful number, since it uses less digits than its factorization.

84146441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21642.

The product of its digits is 12288, while the sum is 32.

The square root of 84146441 is about 9173.1369225582. The cubic root of 84146441 is about 438.2062666991.

The spelling of 84146441 in words is "eighty-four million, one hundred forty-six thousand, four hundred forty-one".