30434000 has 40 divisors (see below), whose sum is σ = 73594248. Its totient is φ = 12172800.

The previous prime is 30433993. The next prime is 30434003. The reversal of 30434000 is 43403.

It can be written as a sum of positive squares in 4 ways, for example, as 7744 + 30426256 = 88^2 + 5516^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30434003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5609 + ... + 9608.

Almost surely, 2^30434000 is an apocalyptic number.

It is an amenable number.

30434000 is an abundant number, since it is smaller than the sum of its proper divisors (43160248).

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

30434000 is a wasteful number, since it uses less digits than its factorization.

30434000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15240 (or 15224 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 14.

The square root of 30434000 is about 5516.7019132812. The cubic root of 30434000 is about 312.2144591721.

Adding to 30434000 its reverse (43403), we get a palindrome (30477403).

The spelling of 30434000 in words is "thirty million, four hundred thirty-four thousand".