43400036 has 24 divisors (see below), whose sum is σ = 78161664. Its totient is φ = 21077280.

The previous prime is 43399973. The next prime is 43400051. The reversal of 43400036 is 63000434.

It is a happy number.

43400036 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 43399990 and 43400017.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19181 + ... + 21323.

It is an arithmetic number, because the mean of its divisors is an integer number (3256736).

Almost surely, 2^43400036 is an apocalyptic number.

It is an amenable number.

43400036 is a deficient number, since it is larger than the sum of its proper divisors (34761628).

43400036 is a wasteful number, since it uses less digits than its factorization.

43400036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2291 (or 2289 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 43400036 is about 6587.8703690950. The cubic root of 43400036 is about 351.4228770374.

The spelling of 43400036 in words is "forty-three million, four hundred thousand, thirty-six".