30411420 has 96 divisors (see below), whose sum is σ = 92725248. Its totient is φ = 7402752.

The previous prime is 30411361. The next prime is 30411421. The reversal of 30411420 is 2411403.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 30411420.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30411421) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 98907 + ... + 99213.

It is an arithmetic number, because the mean of its divisors is an integer number (965888).

Almost surely, 2^30411420 is an apocalyptic number.

30411420 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30411420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46362624).

30411420 is an abundant number, since it is smaller than the sum of its proper divisors (62313828).

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

30411420 is a wasteful number, since it uses less digits than its factorization.

30411420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 459 (or 457 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 30411420 is about 5514.6550209419. The cubic root of 30411420 is about 312.1372259603.

Adding to 30411420 its reverse (2411403), we get a palindrome (32822823).

The spelling of 30411420 in words is "thirty million, four hundred eleven thousand, four hundred twenty".