84486961 has 8 divisors (see below), whose sum is σ = 91191464. Its totient is φ = 77811840.

The previous prime is 84486953. The next prime is 84486971. The reversal of 84486961 is 16968448.

It can be written as a sum of positive squares in 4 ways, for example, as 19184400 + 65302561 = 4380^2 + 8081^2 .

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 84486961 - 2³ = 84486953 is a prime.

It is not an unprimeable number, because it can be changed into a prime (84486931) 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 7 ways as a sum of consecutive naturals, for example, 1170 + ... + 13051.

It is an arithmetic number, because the mean of its divisors is an integer number (11398933).

Almost surely, 2^84486961 is an apocalyptic number.

It is an amenable number.

84486961 is a deficient number, since it is larger than the sum of its proper divisors (6704503).

84486961 is a wasteful number, since it uses less digits than its factorization.

84486961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14691.

The product of its digits is 331776, while the sum is 46.

The square root of 84486961 is about 9191.6788999616. The cubic root of 84486961 is about 438.7965755487.

The spelling of 84486961 in words is "eighty-four million, four hundred eighty-six thousand, nine hundred sixty-one".