43400413 has 4 divisors (see below), whose sum is σ = 49600480. Its totient is φ = 37200348.

The previous prime is 43400393. The next prime is 43400417. The reversal of 43400413 is 31400434.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 43400413 - 2⁹ = 43399901 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43400417) 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, 3100023 + ... + 3100036.

It is an arithmetic number, because the mean of its divisors is an integer number (12400120).

Almost surely, 2^43400413 is an apocalyptic number.

It is an amenable number.

43400413 is a deficient number, since it is larger than the sum of its proper divisors (6200067).

43400413 is an equidigital number, since it uses as much as digits as its factorization.

43400413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6200066.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 43400413 is about 6587.8989822249. The cubic root of 43400413 is about 351.4238945945.

Adding to 43400413 its reverse (31400434), we get a palindrome (74800847).

The spelling of 43400413 in words is "forty-three million, four hundred thousand, four hundred thirteen".