43996406 has 4 divisors (see below), whose sum is σ = 65994612. Its totient is φ = 21998202.

The previous prime is 43996369. The next prime is 43996423. The reversal of 43996406 is 60469934.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10999100 + ... + 10999103.

It is an arithmetic number, because the mean of its divisors is an integer number (16498653).

Almost surely, 2^43996406 is an apocalyptic number.

43996406 is a deficient number, since it is larger than the sum of its proper divisors (21998206).

43996406 is a wasteful number, since it uses less digits than its factorization.

43996406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21998205.

The product of its (nonzero) digits is 139968, while the sum is 41.

The square root of 43996406 is about 6632.9786672354. The cubic root of 43996406 is about 353.0252210952.

The spelling of 43996406 in words is "forty-three million, nine hundred ninety-six thousand, four hundred six".