43973369 has 8 divisors (see below), whose sum is σ = 48350208. Its totient is φ = 39659760.

The previous prime is 43973359. The next prime is 43973381. The reversal of 43973369 is 96337934.

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

It is a cyclic number.

It is not a de Polignac number, because 43973369 - 2¹² = 43969273 is a prime.

It is a super-2 number, since 2×43973369² = 3867314362420322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43973359) 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, 14342 + ... + 17135.

It is an arithmetic number, because the mean of its divisors is an integer number (6043776).

Almost surely, 2^43973369 is an apocalyptic number.

It is an amenable number.

43973369 is a deficient number, since it is larger than the sum of its proper divisors (4376839).

43973369 is a wasteful number, since it uses less digits than its factorization.

43973369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31615.

The product of its digits is 367416, while the sum is 44.

The square root of 43973369 is about 6631.2418897217. The cubic root of 43973369 is about 352.9635943805.

The spelling of 43973369 in words is "forty-three million, nine hundred seventy-three thousand, three hundred sixty-nine".