30412256 has 48 divisors (see below), whose sum is σ = 71414784. Its totient is φ = 12465024.

The previous prime is 30412253. The next prime is 30412259. The reversal of 30412256 is 65221403.

It is an interprime number because it is at equal distance from previous prime (30412253) and next prime (30412259).

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30412253) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2201 + ... + 8103.

It is an arithmetic number, because the mean of its divisors is an integer number (1487808).

Almost surely, 2^30412256 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 30412256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35707392).

30412256 is an abundant number, since it is smaller than the sum of its proper divisors (41002528).

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

30412256 is a wasteful number, since it uses less digits than its factorization.

30412256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5943 (or 5935 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 30412256 is about 5514.7308184534. The cubic root of 30412256 is about 312.1400861175.

Adding to 30412256 its reverse (65221403), we get a palindrome (95633659).

The spelling of 30412256 in words is "thirty million, four hundred twelve thousand, two hundred fifty-six".