84620539 has 8 divisors (see below), whose sum is σ = 86561280. Its totient is φ = 82685736.

The previous prime is 84620537. The next prime is 84620561. The reversal of 84620539 is 93502648.

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 84620539 - 2¹ = 84620537 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 84620498 and 84620507.

It is not an unprimeable number, because it can be changed into a prime (84620537) 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, 40482 + ... + 42520.

It is an arithmetic number, because the mean of its divisors is an integer number (10820160).

Almost surely, 2^84620539 is an apocalyptic number.

84620539 is a deficient number, since it is larger than the sum of its proper divisors (1940741).

84620539 is a wasteful number, since it uses less digits than its factorization.

84620539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2969.

The product of its (nonzero) digits is 51840, while the sum is 37.

The square root of 84620539 is about 9198.9422761533. The cubic root of 84620539 is about 439.0277067003.

The spelling of 84620539 in words is "eighty-four million, six hundred twenty thousand, five hundred thirty-nine".