938436 has 12 divisors (see below), whose sum is σ = 2189712. Its totient is φ = 312808.

The previous prime is 938393. The next prime is 938437. The reversal of 938436 is 634839.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 938397 and 938406.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 938436.

It is not an unprimeable number, because it can be changed into a prime (938437) by changing a digit.

938436 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 3 ways as a sum of consecutive naturals, for example, 39090 + ... + 39113.

It is an arithmetic number, because the mean of its divisors is an integer number (182476).

2⁹³⁸⁴³⁶ is an apocalyptic number.

It is an amenable number.

938436 is an abundant number, since it is smaller than the sum of its proper divisors (1251276).

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

938436 is a wasteful number, since it uses less digits than its factorization.

938436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78210 (or 78208 counting only the distinct ones).

The product of its digits is 15552, while the sum is 33.

The square root of 938436 is about 968.7290642899. The cubic root of 938436 is about 97.9042518941.

The spelling of 938436 in words is "nine hundred thirty-eight thousand, four hundred thirty-six".