503030034 has 128 divisors (see below), whose sum is σ = 1297416960. Its totient is φ = 143078400.

The previous prime is 503030029. The next prime is 503030057. The reversal of 503030034 is 430030305.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 503029989 and 503030016.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 727629 + ... + 728319.

It is an arithmetic number, because the mean of its divisors is an integer number (10136070).

Almost surely, 2^503030034 is an apocalyptic number.

503030034 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 503030034, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (648708480).

503030034 is an abundant number, since it is smaller than the sum of its proper divisors (794386926).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

503030034 is a wasteful number, since it uses less digits than its factorization.

503030034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 793 (or 787 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 18.

The square root of 503030034 is about 22428.3310569467. The cubic root of 503030034 is about 795.3005912087.

Adding to 503030034 its reverse (430030305), we get a palindrome (933060339).

The spelling of 503030034 in words is "five hundred three million, thirty thousand, thirty-four".