503398030 has 16 divisors (see below), whose sum is σ = 921475440. Its totient is φ = 197946112.

The previous prime is 503398019. The next prime is 503398069. The reversal of 503398030 is 30893305.

It is a junction number, because it is equal to n+sod(n) for n = 503397983 and 503398001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 426019 + ... + 427198.

It is an arithmetic number, because the mean of its divisors is an integer number (57592215).

Almost surely, 2^503398030 is an apocalyptic number.

503398030 is a deficient number, since it is larger than the sum of its proper divisors (418077410).

503398030 is a wasteful number, since it uses less digits than its factorization.

503398030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 853283.

The product of its (nonzero) digits is 9720, while the sum is 31.

The square root of 503398030 is about 22436.5333775073. The cubic root of 503398030 is about 795.4944802927.

The spelling of 503398030 in words is "five hundred three million, three hundred ninety-eight thousand, thirty".