43689404 has 12 divisors (see below), whose sum is σ = 83407128. Its totient is φ = 19858800.

The previous prime is 43689403. The next prime is 43689463. The reversal of 43689404 is 40498634.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43689403) 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, 496427 + ... + 496514.

It is an arithmetic number, because the mean of its divisors is an integer number (6950594).

Almost surely, 2^43689404 is an apocalyptic number.

43689404 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

43689404 is a deficient number, since it is larger than the sum of its proper divisors (39717724).

43689404 is a wasteful number, since it uses less digits than its factorization.

43689404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 992956 (or 992954 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 38.

The square root of 43689404 is about 6609.7960634198. The cubic root of 43689404 is about 352.2021802519.

The spelling of 43689404 in words is "forty-three million, six hundred eighty-nine thousand, four hundred four".