89432473 has 4 divisors (see below), whose sum is σ = 96311908. Its totient is φ = 82553040.

The previous prime is 89432467. The next prime is 89432479. The reversal of 89432473 is 37423498.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (89432467) and next prime (89432479).

It can be written as a sum of positive squares in 2 ways, for example, as 20675209 + 68757264 = 4547^2 + 8292^2 .

It is a cyclic number.

It is not a de Polignac number, because 89432473 - 2⁹ = 89431961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89432479) 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, 3439698 + ... + 3439723.

It is an arithmetic number, because the mean of its divisors is an integer number (24077977).

Almost surely, 2^89432473 is an apocalyptic number.

It is an amenable number.

89432473 is a deficient number, since it is larger than the sum of its proper divisors (6879435).

89432473 is a wasteful number, since it uses less digits than its factorization.

89432473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6879434.

The product of its digits is 145152, while the sum is 40.

The square root of 89432473 is about 9456.8743779327. The cubic root of 89432473 is about 447.1965180145.

The spelling of 89432473 in words is "eighty-nine million, four hundred thirty-two thousand, four hundred seventy-three".