84470649 has 8 divisors (see below), whose sum is σ = 116511360. Its totient is φ = 54371856.

The previous prime is 84470647. The next prime is 84470657. The reversal of 84470649 is 94607448.

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

It is not a de Polignac number, because 84470649 - 2¹ = 84470647 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 84470649.

It is not an unprimeable number, because it can be changed into a prime (84470641) 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, 485377 + ... + 485550.

It is an arithmetic number, because the mean of its divisors is an integer number (14563920).

Almost surely, 2^84470649 is an apocalyptic number.

It is an amenable number.

84470649 is a deficient number, since it is larger than the sum of its proper divisors (32040711).

84470649 is a wasteful number, since it uses less digits than its factorization.

84470649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 970959.

The product of its (nonzero) digits is 193536, while the sum is 42.

The square root of 84470649 is about 9190.7915328333. The cubic root of 84470649 is about 438.7683340688.

The spelling of 84470649 in words is "eighty-four million, four hundred seventy thousand, six hundred forty-nine".