30124386 has 40 divisors (see below), whose sum is σ = 71060880. Its totient is φ = 9511992.

The previous prime is 30124379. The next prime is 30124387. The reversal of 30124386 is 68342103.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (30124387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1816 + ... + 7971.

It is an arithmetic number, because the mean of its divisors is an integer number (1776522).

Almost surely, 2^30124386 is an apocalyptic number.

30124386 is an abundant number, since it is smaller than the sum of its proper divisors (40936494).

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

30124386 is a wasteful number, since it uses less digits than its factorization.

30124386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9820 (or 9811 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 30124386 is about 5488.5686658727. The cubic root of 30124386 is about 311.1520986909.

Adding to 30124386 its reverse (68342103), we get a palindrome (98466489).

The spelling of 30124386 in words is "thirty million, one hundred twenty-four thousand, three hundred eighty-six".