97966530 has 64 divisors (see below), whose sum is σ = 263393280. Its totient is φ = 25909632.

The previous prime is 97966501. The next prime is 97966559. The reversal of 97966530 is 3566979.

It is an interprime number because it is at equal distance from previous prime (97966501) and next prime (97966559).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 32862 + ... + 35718.

It is an arithmetic number, because the mean of its divisors is an integer number (4115520).

Almost surely, 2^97966530 is an apocalyptic number.

97966530 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 97966530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (131696640).

97966530 is an abundant number, since it is smaller than the sum of its proper divisors (165426750).

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

97966530 is a wasteful number, since it uses less digits than its factorization.

97966530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3000 (or 2994 counting only the distinct ones).

The product of its (nonzero) digits is 306180, while the sum is 45.

The square root of 97966530 is about 9897.8043019652. The cubic root of 97966530 is about 460.9911363918.

The spelling of 97966530 in words is "ninety-seven million, nine hundred sixty-six thousand, five hundred thirty".