97923247 has 16 divisors (see below), whose sum is σ = 106120800. Its totient is φ = 90021888.

The previous prime is 97923209. The next prime is 97923253. The reversal of 97923247 is 74232979.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 97923247 - 2²³ = 89534639 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97923257) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 169423 + ... + 169999.

It is an arithmetic number, because the mean of its divisors is an integer number (6632550).

Almost surely, 2^97923247 is an apocalyptic number.

97923247 is a deficient number, since it is larger than the sum of its proper divisors (8197553).

97923247 is a wasteful number, since it uses less digits than its factorization.

97923247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 810.

The product of its digits is 190512, while the sum is 43.

The square root of 97923247 is about 9895.6175653670. The cubic root of 97923247 is about 460.9232355873.

The spelling of 97923247 in words is "ninety-seven million, nine hundred twenty-three thousand, two hundred forty-seven".