30429380 has 48 divisors (see below), whose sum is σ = 67060224. Its totient is φ = 11585280.

The previous prime is 30429379. The next prime is 30429397. The reversal of 30429380 is 8392403.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34829 + ... + 35691.

It is an arithmetic number, because the mean of its divisors is an integer number (1397088).

Almost surely, 2^30429380 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 30429380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33530112).

30429380 is an abundant number, since it is smaller than the sum of its proper divisors (36630844).

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

30429380 is a wasteful number, since it uses less digits than its factorization.

30429380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 956 (or 954 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 30429380 is about 5516.2831689463. The cubic root of 30429380 is about 312.1986599147.

The spelling of 30429380 in words is "thirty million, four hundred twenty-nine thousand, three hundred eighty".