97840012 has 6 divisors (see below), whose sum is σ = 171220028. Its totient is φ = 48920004.

The previous prime is 97839991. The next prime is 97840019. The reversal of 97840012 is 21004879.

It is not an unprimeable number, because it can be changed into a prime (97840019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12229998 + ... + 12230005.

Almost surely, 2^97840012 is an apocalyptic number.

It is an amenable number.

97840012 is a deficient number, since it is larger than the sum of its proper divisors (73380016).

97840012 is a wasteful number, since it uses less digits than its factorization.

97840012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24460007 (or 24460005 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 31.

The square root of 97840012 is about 9891.4110216895. The cubic root of 97840012 is about 460.7926032743.

The spelling of 97840012 in words is "ninety-seven million, eight hundred forty thousand, twelve".