983942431 has 4 divisors (see below), whose sum is σ = 984015432. Its totient is φ = 983869432.

The previous prime is 983942419. The next prime is 983942467. The reversal of 983942431 is 134249389.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 134249389 = 227 ⋅591407.

It is a cyclic number.

It is not a de Polignac number, because 983942431 - 2¹¹ = 983940383 is a prime.

It is a super-2 number, since 2×983942431² = 1936285415044379522, 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 (983942831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9745 + ... + 45418.

It is an arithmetic number, because the mean of its divisors is an integer number (246003858).

Almost surely, 2^983942431 is an apocalyptic number.

983942431 is a deficient number, since it is larger than the sum of its proper divisors (73001).

983942431 is a wasteful number, since it uses less digits than its factorization.

983942431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73000.

The product of its digits is 186624, while the sum is 43.

The square root of 983942431 is about 31367.8566529497. The cubic root of 983942431 is about 994.6185691504.

The spelling of 983942431 in words is "nine hundred eighty-three million, nine hundred forty-two thousand, four hundred thirty-one".