89962447 has 4 divisors (see below), whose sum is σ = 90049096. Its totient is φ = 89875800.

The previous prime is 89962409. The next prime is 89962451. The reversal of 89962447 is 74426998.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-89962447 is a prime.

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 89962447.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89966447) 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, 41748 + ... + 43849.

It is an arithmetic number, because the mean of its divisors is an integer number (22512274).

Almost surely, 2^89962447 is an apocalyptic number.

89962447 is a deficient number, since it is larger than the sum of its proper divisors (86649).

89962447 is a wasteful number, since it uses less digits than its factorization.

89962447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86648.

The product of its digits is 870912, while the sum is 49.

The square root of 89962447 is about 9484.8535571194. The cubic root of 89962447 is about 448.0781362837.

It can be divided in two parts, 89962 and 447, that added together give a palindrome (90409).

The spelling of 89962447 in words is "eighty-nine million, nine hundred sixty-two thousand, four hundred forty-seven".