438034861 has 8 divisors (see below), whose sum is σ = 478144800. Its totient is φ = 397973040.

The previous prime is 438034859. The next prime is 438034889. The reversal of 438034861 is 168430834.

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 438034861 - 2¹ = 438034859 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 438034861.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (438034841) 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, 8550 + ... + 30808.

It is an arithmetic number, because the mean of its divisors is an integer number (59768100).

Almost surely, 2^438034861 is an apocalyptic number.

It is an amenable number.

438034861 is a deficient number, since it is larger than the sum of its proper divisors (40109939).

438034861 is a wasteful number, since it uses less digits than its factorization.

438034861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24059.

The product of its (nonzero) digits is 55296, while the sum is 37.

The square root of 438034861 is about 20929.2823813909. The cubic root of 438034861 is about 759.4564794641.

The spelling of 438034861 in words is "four hundred thirty-eight million, thirty-four thousand, eight hundred sixty-one".