43097369 has 4 divisors (see below), whose sum is σ = 49254144. Its totient is φ = 36940596.

The previous prime is 43097359. The next prime is 43097381. The reversal of 43097369 is 96379034.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 43097369 - 2²⁰ = 42048793 is a prime.

It is a super-2 number, since 2×43097369² = 3714766429444322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43097359) 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, 3078377 + ... + 3078390.

It is an arithmetic number, because the mean of its divisors is an integer number (12313536).

Almost surely, 2^43097369 is an apocalyptic number.

It is an amenable number.

43097369 is a deficient number, since it is larger than the sum of its proper divisors (6156775).

43097369 is an equidigital number, since it uses as much as digits as its factorization.

43097369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6156774.

The product of its (nonzero) digits is 122472, while the sum is 41.

The square root of 43097369 is about 6564.8586428041. The cubic root of 43097369 is about 350.6040426360.

The spelling of 43097369 in words is "forty-three million, ninety-seven thousand, three hundred sixty-nine".