97990429 has 8 divisors (see below), whose sum is σ = 103256640. Its totient is φ = 92735136.

The previous prime is 97990427. The next prime is 97990433. The reversal of 97990429 is 92409979.

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

It is a cyclic number.

It is not a de Polignac number, because 97990429 - 2¹ = 97990427 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97990427) 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 7 ways as a sum of consecutive naturals, for example, 21129 + ... + 25345.

It is an arithmetic number, because the mean of its divisors is an integer number (12907080).

Almost surely, 2^97990429 is an apocalyptic number.

It is an amenable number.

97990429 is a deficient number, since it is larger than the sum of its proper divisors (5266211).

97990429 is a wasteful number, since it uses less digits than its factorization.

97990429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5459.

The product of its (nonzero) digits is 367416, while the sum is 49.

The square root of 97990429 is about 9899.0115163081. The cubic root of 97990429 is about 461.0286197084.

The spelling of 97990429 in words is "ninety-seven million, nine hundred ninety thousand, four hundred twenty-nine".