30503466 has 80 divisors (see below), whose sum is σ = 80336256. Its totient is φ = 8468064.

The previous prime is 30503449. The next prime is 30503471. The reversal of 30503466 is 66430503.

It is a super-2 number, since 2×30503466² = 1860922876026312, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 41595 + ... + 42321.

Almost surely, 2^30503466 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30503466, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40168128).

30503466 is an abundant number, since it is smaller than the sum of its proper divisors (49832790).

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

30503466 is a wasteful number, since it uses less digits than its factorization.

30503466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 785 (or 776 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 27.

The square root of 30503466 is about 5522.9942965750. The cubic root of 30503466 is about 312.4518231865.

Adding to 30503466 its reverse (66430503), we get a palindrome (96933969).

The spelling of 30503466 in words is "thirty million, five hundred three thousand, four hundred sixty-six".