30147338 has 16 divisors (see below), whose sum is σ = 51263520. Its totient is φ = 13181616.

The previous prime is 30147311. The next prime is 30147347. The reversal of 30147338 is 83374103.

It is a self number, because there is not a number n which added to its sum of digits gives 30147338.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30020 + ... + 31007.

It is an arithmetic number, because the mean of its divisors is an integer number (3203970).

Almost surely, 2^30147338 is an apocalyptic number.

30147338 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

30147338 is a deficient number, since it is larger than the sum of its proper divisors (21116182).

30147338 is a wasteful number, since it uses less digits than its factorization.

30147338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61061.

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 30147338 is about 5490.6591589717. The cubic root of 30147338 is about 311.2311016842.

The spelling of 30147338 in words is "thirty million, one hundred forty-seven thousand, three hundred thirty-eight".