438741 has 18 divisors (see below), whose sum is σ = 671970. Its totient is φ = 275520.

The previous prime is 438733. The next prime is 438761. The reversal of 438741 is 147834.

It can be written as a sum of positive squares in 3 ways, for example, as 11025 + 427716 = 105^2 + 654^2 .

It is not a de Polignac number, because 438741 - 2³ = 438733 is a prime.

It is a super-3 number, since 3×438741³ = 253364589333909063, which contains 333 as substring.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (438701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 10681 + ... + 10721.

2⁴³⁸⁷⁴¹ is an apocalyptic number.

438741 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

438741 is a deficient number, since it is larger than the sum of its proper divisors (233229).

438741 is a wasteful number, since it uses less digits than its factorization.

438741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117 (or 73 counting only the distinct ones).

The product of its digits is 2688, while the sum is 27.

The square root of 438741 is about 662.3752712775. The cubic root of 438741 is about 75.9864357140.

The spelling of 438741 in words is "four hundred thirty-eight thousand, seven hundred forty-one".