43097398 has 4 divisors (see below), whose sum is σ = 64646100. Its totient is φ = 21548698.

The previous prime is 43097389. The next prime is 43097413. The reversal of 43097398 is 89379034.

43097398 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 89379034 = 2 ⋅44689517.

It is a super-4 number, since 4×43097398⁴ (a number of 32 digits) contains 4444 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10774348 + ... + 10774351.

It is an arithmetic number, because the mean of its divisors is an integer number (16161525).

Almost surely, 2^43097398 is an apocalyptic number.

43097398 is a deficient number, since it is larger than the sum of its proper divisors (21548702).

43097398 is a wasteful number, since it uses less digits than its factorization.

43097398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21548701.

The product of its (nonzero) digits is 163296, while the sum is 43.

The square root of 43097398 is about 6564.8608515337. The cubic root of 43097398 is about 350.6041212759.

The spelling of 43097398 in words is "forty-three million, ninety-seven thousand, three hundred ninety-eight".