97449889 has 4 divisors (see below), whose sum is σ = 100810260. Its totient is φ = 94089520.

The previous prime is 97449883. The next prime is 97449893. The reversal of 97449889 is 98894479.

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 33177600 + 64272289 = 5760^2 + 8017^2 .

It is a cyclic number.

It is not a de Polignac number, because 97449889 - 2¹¹ = 97447841 is a prime.

It is a super-2 number, since 2×97449889² = 18992961732224642, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (97449883) 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, 1680142 + ... + 1680199.

It is an arithmetic number, because the mean of its divisors is an integer number (25202565).

Almost surely, 2^97449889 is an apocalyptic number.

It is an amenable number.

97449889 is a deficient number, since it is larger than the sum of its proper divisors (3360371).

97449889 is a wasteful number, since it uses less digits than its factorization.

97449889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3360370.

The product of its digits is 5225472, while the sum is 58.

The square root of 97449889 is about 9871.6710338220. The cubic root of 97449889 is about 460.1793393350.

The spelling of 97449889 in words is "ninety-seven million, four hundred forty-nine thousand, eight hundred eighty-nine".