939979503 has 12 divisors (see below), whose sum is σ = 1361335560. Its totient is φ = 624997296.

The previous prime is 939979493. The next prime is 939979507. The reversal of 939979503 is 305979939.

It is not a de Polignac number, because 939979503 - 2⁵ = 939979471 is a prime.

It is a super-2 number, since 2×939979503² = 1767122932120254018, which contains 22 as substring.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 939979503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (939979507) 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 11 ways as a sum of consecutive naturals, for example, 134376 + ... + 141197.

It is an arithmetic number, because the mean of its divisors is an integer number (113444630).

Almost surely, 2^939979503 is an apocalyptic number.

939979503 is a deficient number, since it is larger than the sum of its proper divisors (421356057).

939979503 is a wasteful number, since it uses less digits than its factorization.

939979503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275958 (or 275955 counting only the distinct ones).

The product of its (nonzero) digits is 2066715, while the sum is 54.

The square root of 939979503 is about 30659.0851624767. The cubic root of 939979503 is about 979.5789886012.

The spelling of 939979503 in words is "nine hundred thirty-nine million, nine hundred seventy-nine thousand, five hundred three".