89478941 has 4 divisors (see below), whose sum is σ = 89497884. Its totient is φ = 89460000.

The previous prime is 89478931. The next prime is 89478943. The reversal of 89478941 is 14987498.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 4452100 + 85026841 = 2110^2 + 9221^2 .

It is a cyclic number.

It is not a de Polignac number, because 89478941 - 2¹⁰ = 89477917 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 89478941.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89478943) 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, 4031 + ... + 13971.

It is an arithmetic number, because the mean of its divisors is an integer number (22374471).

Almost surely, 2^89478941 is an apocalyptic number.

It is an amenable number.

89478941 is a deficient number, since it is larger than the sum of its proper divisors (18943).

89478941 is an equidigital number, since it uses as much as digits as its factorization.

89478941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18942.

The product of its digits is 580608, while the sum is 50.

The square root of 89478941 is about 9459.3308959989. The cubic root of 89478941 is about 447.2739571858.

The spelling of 89478941 in words is "eighty-nine million, four hundred seventy-eight thousand, nine hundred forty-one".