1038954943 has 4 divisors (see below), whose sum is σ = 1118874568. Its totient is φ = 959035320.

The previous prime is 1038954893. The next prime is 1038954947. The reversal of 1038954943 is 3494598301.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3494598301 = 53 ⋅65935817.

It is a cyclic number.

It is not a de Polignac number, because 1038954943 - 2²⁵ = 1005400511 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1038954893 and 1038954902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1038954947) 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, 39959793 + ... + 39959818.

It is an arithmetic number, because the mean of its divisors is an integer number (279718642).

Almost surely, 2^1038954943 is an apocalyptic number.

1038954943 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1038954943 is a deficient number, since it is larger than the sum of its proper divisors (79919625).

1038954943 is an equidigital number, since it uses as much as digits as its factorization.

1038954943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79919624.

The product of its (nonzero) digits is 466560, while the sum is 46.

The square root of 1038954943 is about 32232.8239997677. The cubic root of 1038954943 is about 1012.8199281222.

The spelling of 1038954943 in words is "one billion, thirty-eight million, nine hundred fifty-four thousand, nine hundred forty-three".