2938844431 has 4 divisors (see below), whose sum is σ = 2939272272. Its totient is φ = 2938416592.

The previous prime is 2938844413. The next prime is 2938844471. The reversal of 2938844431 is 1344488392.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 2938844431 - 2¹¹ = 2938842383 is a prime.

It is a super-2 number, since 2×2938844431² = 17273613179239427522, 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 (2938844471) 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, 203446 + ... + 217411.

It is an arithmetic number, because the mean of its divisors is an integer number (734818068).

Almost surely, 2^2938844431 is an apocalyptic number.

2938844431 is a deficient number, since it is larger than the sum of its proper divisors (427841).

2938844431 is an equidigital number, since it uses as much as digits as its factorization.

2938844431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 427840.

The product of its digits is 663552, while the sum is 46.

The square root of 2938844431 is about 54211.1098484434. The cubic root of 2938844431 is about 1432.3820358969.

The spelling of 2938844431 in words is "two billion, nine hundred thirty-eight million, eight hundred forty-four thousand, four hundred thirty-one".