97430091 has 8 divisors (see below), whose sum is σ = 141716544. Its totient is φ = 59048520.

The previous prime is 97430083. The next prime is 97430101. The reversal of 97430091 is 19003479.

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

It is not a de Polignac number, because 97430091 - 2³ = 97430083 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 2952427 = 97430091 / (9 + 7 + 4 + 3 + 0 + 0 + 9 + 1).

It is not an unprimeable number, because it can be changed into a prime (97430051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1476181 + ... + 1476246.

It is an arithmetic number, because the mean of its divisors is an integer number (17714568).

Almost surely, 2^97430091 is an apocalyptic number.

97430091 is a deficient number, since it is larger than the sum of its proper divisors (44286453).

97430091 is a wasteful number, since it uses less digits than its factorization.

97430091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2952441.

The product of its (nonzero) digits is 6804, while the sum is 33.

The square root of 97430091 is about 9870.6682144625. The cubic root of 97430091 is about 460.1481737527.

The spelling of 97430091 in words is "ninety-seven million, four hundred thirty thousand, ninety-one".