438711 has 16 divisors (see below), whose sum is σ = 720384. Its totient is φ = 231264.

The previous prime is 438707. The next prime is 438721. The reversal of 438711 is 117834.

It is not a de Polignac number, because 438711 - 2² = 438707 is a prime.

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 polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 531 + ... + 1076.

It is an arithmetic number, because the mean of its divisors is an integer number (45024).

2⁴³⁸⁷¹¹ is an apocalyptic number.

438711 is a deficient number, since it is larger than the sum of its proper divisors (281673).

438711 is a wasteful number, since it uses less digits than its factorization.

438711 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1630.

The product of its digits is 672, while the sum is 24.

The square root of 438711 is about 662.3526251175. The cubic root of 438711 is about 75.9847037545.

The spelling of 438711 in words is "four hundred thirty-eight thousand, seven hundred eleven".