43406461 has 4 divisors (see below), whose sum is σ = 49607392. Its totient is φ = 37205532.

The previous prime is 43406459. The next prime is 43406483. The reversal of 43406461 is 16460434.

It is a happy number.

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 not a de Polignac number, because 43406461 - 2¹ = 43406459 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 (43406861) 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, 3100455 + ... + 3100468.

It is an arithmetic number, because the mean of its divisors is an integer number (12401848).

Almost surely, 2^43406461 is an apocalyptic number.

It is an amenable number.

43406461 is a deficient number, since it is larger than the sum of its proper divisors (6200931).

43406461 is an equidigital number, since it uses as much as digits as its factorization.

43406461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6200930.

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 43406461 is about 6588.3579896663. The cubic root of 43406461 is about 351.4402178877.

Adding to 43406461 its reverse (16460434), we get a palindrome (59866895).

It can be divided in two parts, 4340 and 6461, that added together give a palindrome (10801).

The spelling of 43406461 in words is "forty-three million, four hundred six thousand, four hundred sixty-one".