84466829 has 4 divisors (see below), whose sum is σ = 89435484. Its totient is φ = 79498176.

The previous prime is 84466813. The next prime is 84466831. The reversal of 84466829 is 92866448.

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 79245604 + 5221225 = 8902^2 + 2285^2 .

It is a cyclic number.

It is not a de Polignac number, because 84466829 - 2⁴ = 84466813 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84466729) 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, 2484302 + ... + 2484335.

It is an arithmetic number, because the mean of its divisors is an integer number (22358871).

Almost surely, 2^84466829 is an apocalyptic number.

It is an amenable number.

84466829 is a deficient number, since it is larger than the sum of its proper divisors (4968655).

84466829 is a wasteful number, since it uses less digits than its factorization.

84466829 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4968654.

The product of its digits is 663552, while the sum is 47.

The square root of 84466829 is about 9190.5837137801. The cubic root of 84466829 is about 438.7617198570.

The spelling of 84466829 in words is "eighty-four million, four hundred sixty-six thousand, eight hundred twenty-nine".