30434442 has 32 divisors (see below), whose sum is σ = 62424000. Its totient is φ = 9888768.

The previous prime is 30434441. The next prime is 30434449. The reversal of 30434442 is 24443403.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (30434441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52458 + ... + 53034.

It is an arithmetic number, because the mean of its divisors is an integer number (1950750).

Almost surely, 2^30434442 is an apocalyptic number.

30434442 is an abundant number, since it is smaller than the sum of its proper divisors (31989558).

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

30434442 is a wasteful number, since it uses less digits than its factorization.

30434442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 790.

The product of its (nonzero) digits is 4608, while the sum is 24.

The square root of 30434442 is about 5516.7419733027. The cubic root of 30434442 is about 312.2159706189.

Adding to 30434442 its reverse (24443403), we get a palindrome (54877845).

It can be divided in two parts, 30434 and 442, that added together give a triangular number (30876 = T₂₄₈).

The spelling of 30434442 in words is "thirty million, four hundred thirty-four thousand, four hundred forty-two".