30214644 has 48 divisors (see below), whose sum is σ = 76684608. Its totient is φ = 9220608.

The previous prime is 30214643. The next prime is 30214649. The reversal of 30214644 is 44641203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30214643) 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 15 ways as a sum of consecutive naturals, for example, 5547 + ... + 9549.

It is an arithmetic number, because the mean of its divisors is an integer number (1597596).

Almost surely, 2^30214644 is an apocalyptic number.

30214644 is a gapful number since it is divisible by the number (34) 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 30214644, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38342304).

30214644 is an abundant number, since it is smaller than the sum of its proper divisors (46469964).

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

30214644 is a wasteful number, since it uses less digits than its factorization.

30214644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4064 (or 4062 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 30214644 is about 5496.7848784539. The cubic root of 30214644 is about 311.4625444600.

Adding to 30214644 its reverse (44641203), we get a palindrome (74855847).

The spelling of 30214644 in words is "thirty million, two hundred fourteen thousand, six hundred forty-four".