438655841 has 16 divisors (see below), whose sum is σ = 486334464. Its totient is φ = 393107904.

The previous prime is 438655837. The next prime is 438655871. The reversal of 438655841 is 148556834.

It is a cyclic number.

It is not a de Polignac number, because 438655841 - 2² = 438655837 is a prime.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 438655792 and 438655801.

It is not an unprimeable number, because it can be changed into a prime (438655801) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74771 + ... + 80423.

It is an arithmetic number, because the mean of its divisors is an integer number (30395904).

Almost surely, 2^438655841 is an apocalyptic number.

It is an amenable number.

438655841 is a deficient number, since it is larger than the sum of its proper divisors (47678623).

438655841 is a wasteful number, since it uses less digits than its factorization.

438655841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5840.

The product of its digits is 460800, while the sum is 44.

The square root of 438655841 is about 20944.1123230372. The cubic root of 438655841 is about 759.8151910979.

The spelling of 438655841 in words is "four hundred thirty-eight million, six hundred fifty-five thousand, eight hundred forty-one".