97984907 has 4 divisors (see below), whose sum is σ = 99327240. Its totient is φ = 96642576.

The previous prime is 97984879. The next prime is 97984921. The reversal of 97984907 is 70948979.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 97984907 - 2¹⁰ = 97983883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (97984967) 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, 671057 + ... + 671202.

It is an arithmetic number, because the mean of its divisors is an integer number (24831810).

Almost surely, 2^97984907 is an apocalyptic number.

97984907 is a deficient number, since it is larger than the sum of its proper divisors (1342333).

97984907 is a wasteful number, since it uses less digits than its factorization.

97984907 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1342332.

The product of its (nonzero) digits is 1143072, while the sum is 53.

The square root of 97984907 is about 9898.7325956407. The cubic root of 97984907 is about 461.0199595162.

The spelling of 97984907 in words is "ninety-seven million, nine hundred eighty-four thousand, nine hundred seven".