438717141 has 20 divisors (see below), whose sum is σ = 656520832. Its totient is φ = 291963528.

The previous prime is 438717121. The next prime is 438717143. The reversal of 438717141 is 141717834.

It is not a de Polignac number, because 438717141 - 2⁵ = 438717109 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 438717096 and 438717105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (438717143) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 44706 + ... + 53628.

Almost surely, 2^438717141 is an apocalyptic number.

It is an amenable number.

438717141 is a deficient number, since it is larger than the sum of its proper divisors (217803691).

438717141 is an equidigital number, since it uses as much as digits as its factorization.

438717141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9542 (or 9533 counting only the distinct ones).

The product of its digits is 18816, while the sum is 36.

The square root of 438717141 is about 20945.5756903457. The cubic root of 438717141 is about 759.8505829301.

It can be divided in two parts, 4387 and 17141, that added together give a triangular number (21528 = T₂₀₇).

The spelling of 438717141 in words is "four hundred thirty-eight million, seven hundred seventeen thousand, one hundred forty-one".