97699000 has 128 divisors (see below), whose sum is σ = 276981120. Its totient is φ = 31488000.

The previous prime is 97698971. The next prime is 97699001. The reversal of 97699000 is 99679.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97699001) 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 in 31 ways as a sum of consecutive naturals, for example, 118590 + ... + 119410.

It is an arithmetic number, because the mean of its divisors is an integer number (2163915).

Almost surely, 2^97699000 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 97699000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (138490560).

97699000 is an abundant number, since it is smaller than the sum of its proper divisors (179282120).

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

97699000 is a wasteful number, since it uses less digits than its factorization.

97699000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 866 (or 852 counting only the distinct ones).

The product of its (nonzero) digits is 30618, while the sum is 40.

The square root of 97699000 is about 9884.2804492790. The cubic root of 97699000 is about 460.5711242616.

It can be divided in two parts, 9769 and 9000, that added together give a square (18769 = 137²).

The spelling of 97699000 in words is "ninety-seven million, six hundred ninety-nine thousand".