30104442 has 12 divisors (see below), whose sum is σ = 65226330. Its totient is φ = 10034808.

The previous prime is 30104423. The next prime is 30104449. The reversal of 30104442 is 24440103.

It can be written as a sum of positive squares in only one way, i.e., 29909961 + 194481 = 5469^2 + 441^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 1672469 = 30104442 / (3 + 0 + 1 + 0 + 4 + 4 + 4 + 2).

It is not an unprimeable number, because it can be changed into a prime (30104449) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 836217 + ... + 836252.

Almost surely, 2^30104442 is an apocalyptic number.

30104442 is an abundant number, since it is smaller than the sum of its proper divisors (35121888).

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

30104442 is a wasteful number, since it uses less digits than its factorization.

30104442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1672477 (or 1672474 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 30104442 is about 5486.7514979266. The cubic root of 30104442 is about 311.0834169320.

Adding to 30104442 its reverse (24440103), we get a palindrome (54544545).

The spelling of 30104442 in words is "thirty million, one hundred four thousand, four hundred forty-two".