97432387 has 6 divisors (see below), whose sum is σ = 105503892. Its totient is φ = 89937432.

The previous prime is 97432369. The next prime is 97432397. The reversal of 97432387 is 78323479.

It is not a de Polignac number, because 97432387 - 2¹⁹ = 96908099 is a prime.

It is not an unprimeable number, because it can be changed into a prime (97432327) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 288093 + ... + 288430.

It is an arithmetic number, because the mean of its divisors is an integer number (17583982).

Almost surely, 2^97432387 is an apocalyptic number.

97432387 is a deficient number, since it is larger than the sum of its proper divisors (8071505).

97432387 is a wasteful number, since it uses less digits than its factorization.

97432387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 576549 (or 576536 counting only the distinct ones).

The product of its digits is 254016, while the sum is 43.

The square root of 97432387 is about 9870.7845179601. The cubic root of 97432387 is about 460.1517882825.

The spelling of 97432387 in words is "ninety-seven million, four hundred thirty-two thousand, three hundred eighty-seven".