84468929 has 4 divisors (see below), whose sum is σ = 84516180. Its totient is φ = 84421680.

The previous prime is 84468919. The next prime is 84468973. The reversal of 84468929 is 92986448.

It is a happy number.

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 21298225 + 63170704 = 4615^2 + 7948^2 .

It is a cyclic number.

It is not a de Polignac number, because 84468929 - 2¹² = 84464833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84468919) 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, 20834 + ... + 24555.

It is an arithmetic number, because the mean of its divisors is an integer number (21129045).

Almost surely, 2^84468929 is an apocalyptic number.

It is an amenable number.

84468929 is a deficient number, since it is larger than the sum of its proper divisors (47251).

84468929 is a wasteful number, since it uses less digits than its factorization.

84468929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47250.

The product of its digits is 995328, while the sum is 50.

The square root of 84468929 is about 9190.6979604380. The cubic root of 84468929 is about 438.7653559667.

The spelling of 84468929 in words is "eighty-four million, four hundred sixty-eight thousand, nine hundred twenty-nine".