89491383 has 12 divisors (see below), whose sum is σ = 136869408. Its totient is φ = 56151360.

The previous prime is 89491373. The next prime is 89491393. The reversal of 89491383 is 38319498.

89491383 is a `hidden beast` number, since 89 + 491 + 3 + 83 = 666.

It is an interprime number because it is at equal distance from previous prime (89491373) and next prime (89491393).

It is not a de Polignac number, because 89491383 - 2¹² = 89487287 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89491373) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 292303 + ... + 292608.

It is an arithmetic number, because the mean of its divisors is an integer number (11405784).

Almost surely, 2^89491383 is an apocalyptic number.

89491383 is a deficient number, since it is larger than the sum of its proper divisors (47378025).

89491383 is a wasteful number, since it uses less digits than its factorization.

89491383 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 584934 (or 584931 counting only the distinct ones).

The product of its digits is 186624, while the sum is 45.

The square root of 89491383 is about 9459.9885306484. The cubic root of 89491383 is about 447.2946872950.

The spelling of 89491383 in words is "eighty-nine million, four hundred ninety-one thousand, three hundred eighty-three".