30402424 has 48 divisors (see below), whose sum is σ = 62586000. Its totient is φ = 13837824.

The previous prime is 30402401. The next prime is 30402457. The reversal of 30402424 is 42420403.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 152677 + ... + 152875.

It is an arithmetic number, because the mean of its divisors is an integer number (1303875).

Almost surely, 2^30402424 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 30402424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31293000).

30402424 is an abundant number, since it is smaller than the sum of its proper divisors (32183576).

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

30402424 is a wasteful number, since it uses less digits than its factorization.

30402424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 344 (or 327 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 19.

The square root of 30402424 is about 5513.8393157581. The cubic root of 30402424 is about 312.1064451614.

Adding to 30402424 its reverse (42420403), we get a palindrome (72822827).

The spelling of 30402424 in words is "thirty million, four hundred two thousand, four hundred twenty-four".