938869 has 2 divisors, whose sum is σ = 938870. Its totient is φ = 938868.

The previous prime is 938857. The next prime is 938879. The reversal of 938869 is 968839.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 786769 + 152100 = 887^2 + 390^2 .

It is a cyclic number.

It is not a de Polignac number, because 938869 - 2¹⁷ = 807797 is a prime.

It is a super-2 number, since 2×938869² = 1762949998322, which contains 22 as substring.

938869 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (938879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 469434 + 469435.

It is an arithmetic number, because the mean of its divisors is an integer number (469435).

2⁹³⁸⁸⁶⁹ is an apocalyptic number.

It is an amenable number.

938869 is a deficient number, since it is larger than the sum of its proper divisors (1).

938869 is an equidigital number, since it uses as much as digits as its factorization.

938869 is an evil number, because the sum of its binary digits is even.

The product of its digits is 93312, while the sum is 43.

The square root of 938869 is about 968.9525272169. The cubic root of 938869 is about 97.9193074485.

The spelling of 938869 in words is "nine hundred thirty-eight thousand, eight hundred sixty-nine".