43997469 has 8 divisors (see below), whose sum is σ = 60094272. Its totient is φ = 28616160.

The previous prime is 43997467. The next prime is 43997489. The reversal of 43997469 is 96479934.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 43997469 - 2¹ = 43997467 is a prime.

It is a super-2 number, since 2×43997469² = 3871554556811922, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43997461) 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, 178729 + ... + 178974.

It is an arithmetic number, because the mean of its divisors is an integer number (7511784).

Almost surely, 2^43997469 is an apocalyptic number.

It is an amenable number.

43997469 is a deficient number, since it is larger than the sum of its proper divisors (16096803).

43997469 is a wasteful number, since it uses less digits than its factorization.

43997469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357747.

The product of its digits is 1469664, while the sum is 51.

The square root of 43997469 is about 6633.0587966639. The cubic root of 43997469 is about 353.0280642273.

The spelling of 43997469 in words is "forty-three million, nine hundred ninety-seven thousand, four hundred sixty-nine".