97834128 has 40 divisors (see below), whose sum is σ = 288844608. Its totient is φ = 27952512.

The previous prime is 97834127. The next prime is 97834129. The reversal of 97834128 is 82143879.

It is an interprime number because it is at equal distance from previous prime (97834127) and next prime (97834129).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a self number, because there is not a number n which added to its sum of digits gives 97834128.

It is not an unprimeable number, because it can be changed into a prime (97834127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 145251 + ... + 145922.

Almost surely, 2^97834128 is an apocalyptic number.

It is an amenable number.

97834128 is an abundant number, since it is smaller than the sum of its proper divisors (191010480).

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

97834128 is a wasteful number, since it uses less digits than its factorization.

97834128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291191 (or 291185 counting only the distinct ones).

The product of its digits is 96768, while the sum is 42.

The square root of 97834128 is about 9891.1135874582. The cubic root of 97834128 is about 460.7833658878.

The spelling of 97834128 in words is "ninety-seven million, eight hundred thirty-four thousand, one hundred twenty-eight".