30043400 has 24 divisors (see below), whose sum is σ = 69851370. Its totient is φ = 12017280.

The previous prime is 30043399. The next prime is 30043439. The reversal of 30043400 is 434003.

It can be written as a sum of positive squares in 3 ways, for example, as 12687844 + 17355556 = 3562^2 + 4166^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 74909 + ... + 75308.

Almost surely, 2^30043400 is an apocalyptic number.

It is an amenable number.

30043400 is an abundant number, since it is smaller than the sum of its proper divisors (39807970).

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

30043400 is a wasteful number, since it uses less digits than its factorization.

30043400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150233 (or 150224 counting only the distinct ones).

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

The square root of 30043400 is about 5481.1860030472. The cubic root of 30043400 is about 310.8730160548.

Adding to 30043400 its reverse (434003), we get a palindrome (30477403).

The spelling of 30043400 in words is "thirty million, forty-three thousand, four hundred".