89405427 has 4 divisors (see below), whose sum is σ = 119207240. Its totient is φ = 59603616.

The previous prime is 89405419. The next prime is 89405429. The reversal of 89405427 is 72450498.

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

It is not a de Polignac number, because 89405427 - 2³ = 89405419 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89405429) 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, 14900902 + ... + 14900907.

It is an arithmetic number, because the mean of its divisors is an integer number (29801810).

Almost surely, 2^89405427 is an apocalyptic number.

89405427 is a deficient number, since it is larger than the sum of its proper divisors (29801813).

89405427 is a wasteful number, since it uses less digits than its factorization.

89405427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29801812.

The product of its (nonzero) digits is 80640, while the sum is 39.

The square root of 89405427 is about 9455.4443047379. Note that the first 3 decimals coincide. The cubic root of 89405427 is about 447.1514333599.

The spelling of 89405427 in words is "eighty-nine million, four hundred five thousand, four hundred twenty-seven".