97891246 has 8 divisors (see below), whose sum is σ = 147367800. Its totient is φ = 48768648.

The previous prime is 97891237. The next prime is 97891247. The reversal of 97891246 is 64219879.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 97891196 and 97891205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97891247) 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, 87796 + ... + 88903.

It is an arithmetic number, because the mean of its divisors is an integer number (18420975).

Almost surely, 2^97891246 is an apocalyptic number.

97891246 is a deficient number, since it is larger than the sum of its proper divisors (49476554).

97891246 is a wasteful number, since it uses less digits than its factorization.

97891246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176978.

The product of its digits is 217728, while the sum is 46.

The square root of 97891246 is about 9894.0005053568. Note that the first 3 decimals coincide. The cubic root of 97891246 is about 460.8730207100.

The spelling of 97891246 in words is "ninety-seven million, eight hundred ninety-one thousand, two hundred forty-six".