89943829 has 4 divisors (see below), whose sum is σ = 91418380. Its totient is φ = 88469280.

The previous prime is 89943827. The next prime is 89943859. The reversal of 89943829 is 92834998.

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 5267025 + 84676804 = 2295^2 + 9202^2 .

It is a cyclic number.

It is not a de Polignac number, because 89943829 - 2¹ = 89943827 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 (89943827) 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, 737184 + ... + 737305.

It is an arithmetic number, because the mean of its divisors is an integer number (22854595).

Almost surely, 2^89943829 is an apocalyptic number.

It is an amenable number.

89943829 is a deficient number, since it is larger than the sum of its proper divisors (1474551).

89943829 is a wasteful number, since it uses less digits than its factorization.

89943829 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1474550.

The product of its digits is 1119744, while the sum is 52.

The square root of 89943829 is about 9483.8720467961. The cubic root of 89943829 is about 448.0472237767.

The spelling of 89943829 in words is "eighty-nine million, nine hundred forty-three thousand, eight hundred twenty-nine".