97844249 has 4 divisors (see below), whose sum is σ = 97866960. Its totient is φ = 97821540.

The previous prime is 97844237. The next prime is 97844251. The reversal of 97844249 is 94244879.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 94244879 = 2371 ⋅39749.

It is a cyclic number.

It is not a de Polignac number, because 97844249 - 2⁴ = 97844233 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (97844849) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2687 + ... + 14244.

It is an arithmetic number, because the mean of its divisors is an integer number (24466740).

Almost surely, 2^97844249 is an apocalyptic number.

It is an amenable number.

97844249 is a deficient number, since it is larger than the sum of its proper divisors (22711).

97844249 is a wasteful number, since it uses less digits than its factorization.

97844249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22710.

The product of its digits is 580608, while the sum is 47.

The square root of 97844249 is about 9891.6251950830. The cubic root of 97844249 is about 460.7992547796.

The spelling of 97844249 in words is "ninety-seven million, eight hundred forty-four thousand, two hundred forty-nine".