89904349 has 4 divisors (see below), whose sum is σ = 92097180. Its totient is φ = 87711520.

The previous prime is 89904341. The next prime is 89904421. The reversal of 89904349 is 94340998.

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

It can be written as a sum of positive squares in 2 ways, for example, as 28783225 + 61121124 = 5365^2 + 7818^2 .

It is a cyclic number.

It is not a de Polignac number, because 89904349 - 2³ = 89904341 is a prime.

It is a super-2 number, since 2×89904349² = 16165583938227602, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 89904299 and 89904308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89904341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1096354 + ... + 1096435.

It is an arithmetic number, because the mean of its divisors is an integer number (23024295).

Almost surely, 2^89904349 is an apocalyptic number.

It is an amenable number.

89904349 is a deficient number, since it is larger than the sum of its proper divisors (2192831).

89904349 is a wasteful number, since it uses less digits than its factorization.

89904349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2192830.

The product of its (nonzero) digits is 279936, while the sum is 46.

The square root of 89904349 is about 9481.7903900055. The cubic root of 89904349 is about 447.9816588075.

The spelling of 89904349 in words is "eighty-nine million, nine hundred four thousand, three hundred forty-nine".