97143936 has 32 divisors (see below), whose sum is σ = 258039600. Its totient is φ = 32381184.

The previous prime is 97143931. The next prime is 97143989. The reversal of 97143936 is 63934179.

It is a tau number, because it is divible by the number of its divisors (32).

It is not an unprimeable number, because it can be changed into a prime (97143931) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 126106 + ... + 126873.

Almost surely, 2^97143936 is an apocalyptic number.

97143936 is a gapful number since it is divisible by the number (96) formed by its first and last digit.

It is an amenable number.

97143936 is an abundant number, since it is smaller than the sum of its proper divisors (160895664).

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

97143936 is a wasteful number, since it uses less digits than its factorization.

97143936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252996 (or 252984 counting only the distinct ones).

The product of its digits is 122472, while the sum is 42.

The square root of 97143936 is about 9856.1623363254. The cubic root of 97143936 is about 459.6972424922.

The spelling of 97143936 in words is "ninety-seven million, one hundred forty-three thousand, nine hundred thirty-six".