97289421 has 8 divisors (see below), whose sum is σ = 129776064. Its totient is φ = 64831200.

The previous prime is 97289411. The next prime is 97289447. The reversal of 97289421 is 12498279.

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

It is not a de Polignac number, because 97289421 - 2¹⁸ = 97027277 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97289411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2896 + ... + 14246.

It is an arithmetic number, because the mean of its divisors is an integer number (16222008).

Almost surely, 2^97289421 is an apocalyptic number.

It is an amenable number.

97289421 is a deficient number, since it is larger than the sum of its proper divisors (32486643).

97289421 is a wasteful number, since it uses less digits than its factorization.

97289421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14211.

The product of its digits is 72576, while the sum is 42.

The square root of 97289421 is about 9863.5399831906. The cubic root of 97289421 is about 459.9266124261.

The spelling of 97289421 in words is "ninety-seven million, two hundred eighty-nine thousand, four hundred twenty-one".