97739984 has 10 divisors (see below), whose sum is σ = 189371250. Its totient is φ = 48869984.

The previous prime is 97739981. The next prime is 97740001. The reversal of 97739984 is 48993779.

It can be written as a sum of positive squares in only one way, i.e., 89491600 + 8248384 = 9460^2 + 2872^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97739981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3054359 + ... + 3054390.

It is an arithmetic number, because the mean of its divisors is an integer number (18937125).

Almost surely, 2^97739984 is an apocalyptic number.

It is an amenable number.

97739984 is a deficient number, since it is larger than the sum of its proper divisors (91631266).

97739984 is a wasteful number, since it uses less digits than its factorization.

97739984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6108757 (or 6108751 counting only the distinct ones).

The product of its digits is 3429216, while the sum is 56.

The square root of 97739984 is about 9886.3534227742. The cubic root of 97739984 is about 460.6355173060.

The spelling of 97739984 in words is "ninety-seven million, seven hundred thirty-nine thousand, nine hundred eighty-four".