43820461 has 8 divisors (see below), whose sum is σ = 44328960. Its totient is φ = 43314768.

The previous prime is 43820449. The next prime is 43820471. The reversal of 43820461 is 16402834.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 43820461 - 2¹¹ = 43818413 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 (43820471) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48960 + ... + 49846.

It is an arithmetic number, because the mean of its divisors is an integer number (5541120).

Almost surely, 2^43820461 is an apocalyptic number.

It is an amenable number.

43820461 is a deficient number, since it is larger than the sum of its proper divisors (508499).

43820461 is a wasteful number, since it uses less digits than its factorization.

43820461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1403.

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 43820461 is about 6619.7024857617. The cubic root of 43820461 is about 352.5540007473.

The spelling of 43820461 in words is "forty-three million, eight hundred twenty thousand, four hundred sixty-one".