438548061 has 16 divisors (see below), whose sum is σ = 697319424. Its totient is φ = 239703024.

The previous prime is 438548059. The next prime is 438548069. The reversal of 438548061 is 160845834.

It is not a de Polignac number, because 438548061 - 2¹ = 438548059 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (438548069) 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, 453501 + ... + 454466.

It is an arithmetic number, because the mean of its divisors is an integer number (43582464).

Almost surely, 2^438548061 is an apocalyptic number.

It is an amenable number.

438548061 is a deficient number, since it is larger than the sum of its proper divisors (258771363).

438548061 is a wasteful number, since it uses less digits than its factorization.

438548061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 908000.

The product of its (nonzero) digits is 92160, while the sum is 39.

The square root of 438548061 is about 20941.5391268168. The cubic root of 438548061 is about 759.7529558315.

It can be divided in two parts, 43854 and 8061, that added together give a palindrome (51915).

The spelling of 438548061 in words is "four hundred thirty-eight million, five hundred forty-eight thousand, sixty-one".