43834401 has 12 divisors (see below), whose sum is σ = 68187028. Its totient is φ = 26974944.

The previous prime is 43834393. The next prime is 43834411. The reversal of 43834401 is 10443834.

It can be written as a sum of positive squares in 2 ways, for example, as 7834401 + 36000000 = 2799^2 + 6000^2 .

It is not a de Polignac number, because 43834401 - 2³ = 43834393 is a prime.

It is a super-2 number, since 2×43834401² = 3842909422057602, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (43834411) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 187210 + ... + 187443.

Almost surely, 2^43834401 is an apocalyptic number.

It is an amenable number.

43834401 is a deficient number, since it is larger than the sum of its proper divisors (24352627).

43834401 is a wasteful number, since it uses less digits than its factorization.

43834401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374672 (or 374669 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 43834401 is about 6620.7553194481. The cubic root of 43834401 is about 352.5913811675.

The spelling of 43834401 in words is "forty-three million, eight hundred thirty-four thousand, four hundred one".