30442434 has 32 divisors (see below), whose sum is σ = 68567040. Its totient is φ = 8926800.

The previous prime is 30442429. The next prime is 30442439. The reversal of 30442434 is 43424403.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (30442429) and next prime (30442439).

It is not an unprimeable number, because it can be changed into a prime (30442439) 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, 5394 + ... + 9485.

It is an arithmetic number, because the mean of its divisors is an integer number (2142720).

Almost surely, 2^30442434 is an apocalyptic number.

30442434 is an abundant number, since it is smaller than the sum of its proper divisors (38124606).

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

30442434 is a wasteful number, since it uses less digits than its factorization.

30442434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14926.

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

The square root of 30442434 is about 5517.4662663219. The cubic root of 30442434 is about 312.2432972429.

Adding to 30442434 its reverse (43424403), we get a palindrome (73866837).

It can be divided in two parts, 30442 and 434, that added together give a triangular number (30876 = T₂₄₈).

The spelling of 30442434 in words is "thirty million, four hundred forty-two thousand, four hundred thirty-four".