84966405 has 8 divisors (see below), whose sum is σ = 135946272. Its totient is φ = 45315408.

The previous prime is 84966389. The next prime is 84966407. The reversal of 84966405 is 50466948.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 84966405 - 2⁴ = 84966389 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84966407) 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, 2832199 + ... + 2832228.

It is an arithmetic number, because the mean of its divisors is an integer number (16993284).

Almost surely, 2^84966405 is an apocalyptic number.

It is an amenable number.

84966405 is a deficient number, since it is larger than the sum of its proper divisors (50979867).

84966405 is a wasteful number, since it uses less digits than its factorization.

84966405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5664435.

The product of its (nonzero) digits is 207360, while the sum is 42.

The square root of 84966405 is about 9217.7223325505. The cubic root of 84966405 is about 439.6250335070.

The spelling of 84966405 in words is "eighty-four million, nine hundred sixty-six thousand, four hundred five".