30040003 has 32 divisors (see below), whose sum is σ = 38320128. Its totient is φ = 22963200.

The previous prime is 30039983. The next prime is 30040009. The reversal of 30040003 is 30004003.

It is a cyclic number.

It is not a de Polignac number, because 30040003 - 2⁹ = 30039491 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30040009) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 229248 + ... + 229378.

It is an arithmetic number, because the mean of its divisors is an integer number (1197504).

Almost surely, 2^30040003 is an apocalyptic number.

30040003 is a deficient number, since it is larger than the sum of its proper divisors (8280125).

30040003 is a wasteful number, since it uses less digits than its factorization.

30040003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243.

The product of its (nonzero) digits is 36, while the sum is 10.

The square root of 30040003 is about 5480.8761160968. The cubic root of 30040003 is about 310.8612988341.

Adding to 30040003 its reverse (30004003), we get a palindrome (60044006).

It can be divided in two parts, 3004000 and 3, that added together give a palindrome (3004003).

The spelling of 30040003 in words is "thirty million, forty thousand, three".