938406 has 16 divisors (see below), whose sum is σ = 2145024. Its totient is φ = 268104.

The previous prime is 938393. The next prime is 938437. The reversal of 938406 is 604839.

938406 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

938406 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11130 + ... + 11213.

It is an arithmetic number, because the mean of its divisors is an integer number (134064).

2⁹³⁸⁴⁰⁶ is an apocalyptic number.

938406 is an abundant number, since it is smaller than the sum of its proper divisors (1206618).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

938406 is a wasteful number, since it uses less digits than its factorization.

938406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22355.

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 938406 is about 968.7135799606. The cubic root of 938406 is about 97.9032086126.

The spelling of 938406 in words is "nine hundred thirty-eight thousand, four hundred six".