43097328 has 30 divisors (see below), whose sum is σ = 120613064. Its totient is φ = 14365728.

The previous prime is 43097279. The next prime is 43097333. The reversal of 43097328 is 82379034.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 43097292 and 43097301.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 149500 + ... + 149787.

Almost surely, 2^43097328 is an apocalyptic number.

43097328 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

43097328 is an abundant number, since it is smaller than the sum of its proper divisors (77515736).

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

43097328 is a wasteful number, since it uses less digits than its factorization.

43097328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299301 (or 299292 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 43097328 is about 6564.8555201162. The cubic root of 43097328 is about 350.6039314554.

The spelling of 43097328 in words is "forty-three million, ninety-seven thousand, three hundred twenty-eight".