97706648 has 16 divisors (see below), whose sum is σ = 197292480. Its totient is φ = 45095328.

The previous prime is 97706639. The next prime is 97706657. The reversal of 97706648 is 84660779.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (97706639) and next prime (97706657).

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 469640 + ... + 469847.

It is an arithmetic number, because the mean of its divisors is an integer number (12330780).

Almost surely, 2^97706648 is an apocalyptic number.

It is an amenable number.

97706648 is an abundant number, since it is smaller than the sum of its proper divisors (99585832).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

97706648 is a wasteful number, since it uses less digits than its factorization.

97706648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 939506 (or 939502 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 47.

The square root of 97706648 is about 9884.6673186304. The cubic root of 97706648 is about 460.5831419761.

The spelling of 97706648 in words is "ninety-seven million, seven hundred six thousand, six hundred forty-eight".