89449319 has 16 divisors (see below), whose sum is σ = 94089600. Its totient is φ = 84963840.

The previous prime is 89449307. The next prime is 89449333. The reversal of 89449319 is 91394498.

It is a cyclic number.

It is not a de Polignac number, because 89449319 - 2⁴ = 89449303 is a prime.

It is a super-2 number, since 2×89449319² = 16002361339127522, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89449379) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 371039 + ... + 371279.

It is an arithmetic number, because the mean of its divisors is an integer number (5880600).

Almost surely, 2^89449319 is an apocalyptic number.

89449319 is a deficient number, since it is larger than the sum of its proper divisors (4640281).

89449319 is a wasteful number, since it uses less digits than its factorization.

89449319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 490.

The product of its digits is 279936, while the sum is 47.

The square root of 89449319 is about 9457.7650108258. The cubic root of 89449319 is about 447.2245950628.

The spelling of 89449319 in words is "eighty-nine million, four hundred forty-nine thousand, three hundred nineteen".