938561 has 16 divisors (see below), whose sum is σ = 1094016. Its totient is φ = 798336.

The previous prime is 938537. The next prime is 938563. The reversal of 938561 is 165839.

It is a cyclic number.

It is not a de Polignac number, because 938561 - 2¹⁰ = 937537 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (938563) 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, 12821 + ... + 12893.

It is an arithmetic number, because the mean of its divisors is an integer number (68376).

2⁹³⁸⁵⁶¹ is an apocalyptic number.

It is an amenable number.

938561 is a deficient number, since it is larger than the sum of its proper divisors (155455).

938561 is a wasteful number, since it uses less digits than its factorization.

938561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152.

The product of its digits is 6480, while the sum is 32.

The square root of 938561 is about 968.7935796649. The cubic root of 938561 is about 97.9085986612.

The spelling of 938561 in words is "nine hundred thirty-eight thousand, five hundred sixty-one".