89194999 has 4 divisors (see below), whose sum is σ = 90197280. Its totient is φ = 88192720.

The previous prime is 89194979. The next prime is 89195003. The reversal of 89194999 is 99949198.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 99949198 = 2 ⋅49974599.

It is a cyclic number.

It is not a de Polignac number, because 89194999 - 2¹³ = 89186807 is a prime.

It is a super-2 number, since 2×89194999² = 15911495693220002, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89194939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 501007 + ... + 501184.

It is an arithmetic number, because the mean of its divisors is an integer number (22549320).

Almost surely, 2^89194999 is an apocalyptic number.

89194999 is a gapful number since it is divisible by the number (89) formed by its first and last digit.

89194999 is a deficient number, since it is larger than the sum of its proper divisors (1002281).

89194999 is a wasteful number, since it uses less digits than its factorization.

89194999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1002280.

The product of its digits is 1889568, while the sum is 58.

The square root of 89194999 is about 9444.3104036240. The cubic root of 89194999 is about 446.8003469211.

The spelling of 89194999 in words is "eighty-nine million, one hundred ninety-four thousand, nine hundred ninety-nine".