97597949 has 4 divisors (see below), whose sum is σ = 98972640. Its totient is φ = 96223260.

The previous prime is 97597939. The next prime is 97597961. The reversal of 97597949 is 94979579.

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: 94979579 = 1303 ⋅72893.

It is a cyclic number.

It is not a de Polignac number, because 97597949 - 2⁴ = 97597933 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97597909) 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, 687239 + ... + 687380.

It is an arithmetic number, because the mean of its divisors is an integer number (24743160).

Almost surely, 2^97597949 is an apocalyptic number.

It is an amenable number.

97597949 is a deficient number, since it is larger than the sum of its proper divisors (1374691).

97597949 is a wasteful number, since it uses less digits than its factorization.

97597949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1374690.

The product of its digits is 6429780, while the sum is 59.

The square root of 97597949 is about 9879.1674244341. The cubic root of 97597949 is about 460.4122784601.

The spelling of 97597949 in words is "ninety-seven million, five hundred ninety-seven thousand, nine hundred forty-nine".