89249919 has 8 divisors (see below), whose sum is σ = 129818112. Its totient is φ = 54090840.

The previous prime is 89249917. The next prime is 89249921. The reversal of 89249919 is 91994298.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (89249917) and next prime (89249921).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 89249919 - 2¹ = 89249917 is a prime.

It is a super-2 number, since 2×89249919² = 15931096083013122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89249917) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1352239 + ... + 1352304.

It is an arithmetic number, because the mean of its divisors is an integer number (16227264).

Almost surely, 2^89249919 is an apocalyptic number.

89249919 is a deficient number, since it is larger than the sum of its proper divisors (40568193).

89249919 is a wasteful number, since it uses less digits than its factorization.

89249919 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2704557.

The product of its digits is 419904, while the sum is 51.

The square root of 89249919 is about 9447.2175268700. The cubic root of 89249919 is about 446.8920308374.

The spelling of 89249919 in words is "eighty-nine million, two hundred forty-nine thousand, nine hundred nineteen".