97943508 has 144 divisors (see below), whose sum is σ = 283419136. Its totient is φ = 28304640.

The previous prime is 97943501. The next prime is 97943533. The reversal of 97943508 is 80534979.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97943501) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 623766 + ... + 623922.

Almost surely, 2^97943508 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 97943508, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (141709568).

97943508 is an abundant number, since it is smaller than the sum of its proper divisors (185475628).

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

97943508 is a wasteful number, since it uses less digits than its factorization.

97943508 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254 (or 249 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 45.

The square root of 97943508 is about 9896.6412484236. The cubic root of 97943508 is about 460.9550228014.

The spelling of 97943508 in words is "ninety-seven million, nine hundred forty-three thousand, five hundred eight".