30430000 has 100 divisors (see below), whose sum is σ = 78443640. Its totient is φ = 11392000.

The previous prime is 30429923. The next prime is 30430013. The reversal of 30430000 is 3403.

It is a tau number, because it is divible by the number of its divisors (100).

It is a Harshad number since it is a multiple of its sum of digits (10).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 169911 + ... + 170089.

Almost surely, 2^30430000 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30430000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39221820).

30430000 is an abundant number, since it is smaller than the sum of its proper divisors (48013640).

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

30430000 is a wasteful number, since it uses less digits than its factorization.

30430000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224 (or 203 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 10.

The square root of 30430000 is about 5516.3393659201. The cubic root of 30430000 is about 312.2007802542.

Adding to 30430000 its reverse (3403), we get a palindrome (30433403).

The spelling of 30430000 in words is "thirty million, four hundred thirty thousand".