938790469 has 4 divisors (see below), whose sum is σ = 939632044. Its totient is φ = 937948896.

The previous prime is 938790383. The next prime is 938790487. The reversal of 938790469 is 964097839.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 92736900 + 846053569 = 9630^2 + 29087^2 .

It is a cyclic number.

It is not a de Polignac number, because 938790469 - 2¹¹ = 938788421 is a prime.

It is a super-2 number, since 2×938790469² = 1762655089370479922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (938790499) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 419112 + ... + 421345.

It is an arithmetic number, because the mean of its divisors is an integer number (234908011).

Almost surely, 2^938790469 is an apocalyptic number.

It is an amenable number.

938790469 is a deficient number, since it is larger than the sum of its proper divisors (841575).

938790469 is a wasteful number, since it uses less digits than its factorization.

938790469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 841574.

The product of its (nonzero) digits is 2939328, while the sum is 55.

The square root of 938790469 is about 30639.6878084618. The cubic root of 938790469 is about 979.1657724316.

It can be divided in two parts, 9387 and 90469, that added together give a square (99856 = 316²).

The spelling of 938790469 in words is "nine hundred thirty-eight million, seven hundred ninety thousand, four hundred sixty-nine".