503346690 has 384 divisors, whose sum is σ = 1765048320. Its totient is φ = 99792000.

The previous prime is 503346653. The next prime is 503346719. The reversal of 503346690 is 96643305.

503346690 is a `hidden beast` number, since 503 + 3 + 4 + 66 + 90 = 666.

It is a super-2 number, since 2×503346690² = 506715780667912200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 7089355 + ... + 7089425.

It is an arithmetic number, because the mean of its divisors is an integer number (4596480).

Almost surely, 2^503346690 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 503346690, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (882524160).

503346690 is an abundant number, since it is smaller than the sum of its proper divisors (1261701630).

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

503346690 is a wasteful number, since it uses less digits than its factorization.

503346690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147 (or 130 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 36.

The square root of 503346690 is about 22435.3892321930. The cubic root of 503346690 is about 795.4674360370.

Adding to 503346690 its reverse (96643305), we get a palindrome (599989995).

The spelling of 503346690 in words is "five hundred three million, three hundred forty-six thousand, six hundred ninety".