97689226 has 8 divisors (see below), whose sum is σ = 151586820. Its totient is φ = 47160288.

The previous prime is 97689209. The next prime is 97689227. The reversal of 97689226 is 62298679.

It can be written as a sum of positive squares in 2 ways, for example, as 85544001 + 12145225 = 9249^2 + 3485^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 97689226.

It is not an unprimeable number, because it can be changed into a prime (97689227) 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, 842091 + ... + 842206.

Almost surely, 2^97689226 is an apocalyptic number.

97689226 is a deficient number, since it is larger than the sum of its proper divisors (53897594).

97689226 is a wasteful number, since it uses less digits than its factorization.

97689226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1684328.

The product of its digits is 653184, while the sum is 49.

The square root of 97689226 is about 9883.7860154902. The cubic root of 97689226 is about 460.5557649359. Note that the first 3 decimals are identical.

The spelling of 97689226 in words is "ninety-seven million, six hundred eighty-nine thousand, two hundred twenty-six".