30942004 has 12 divisors (see below), whose sum is σ = 54212004. Its totient is φ = 15452864.

The previous prime is 30942001. The next prime is 30942011. The reversal of 30942004 is 40024903.

It can be written as a sum of positive squares in 2 ways, for example, as 21344400 + 9597604 = 4620^2 + 3098^2 .

It is a super-3 number, since 3×30942004³ (a number of 23 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30942001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 247 + ... + 7870.

It is an arithmetic number, because the mean of its divisors is an integer number (4517667).

Almost surely, 2^30942004 is an apocalyptic number.

It is an amenable number.

30942004 is a deficient number, since it is larger than the sum of its proper divisors (23270000).

30942004 is a wasteful number, since it uses less digits than its factorization.

30942004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9074 (or 9072 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 30942004 is about 5562.5537300776. The cubic root of 30942004 is about 313.9420423950.

Adding to 30942004 its reverse (40024903), we get a palindrome (70966907).

The spelling of 30942004 in words is "thirty million, nine hundred forty-two thousand, four".