30344340 has 48 divisors (see below), whose sum is σ = 91502208. Its totient is φ = 7469184.

The previous prime is 30344317. The next prime is 30344341. The reversal of 30344340 is 4344303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30344341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18672 + ... + 20231.

It is an arithmetic number, because the mean of its divisors is an integer number (1906296).

Almost surely, 2^30344340 is an apocalyptic number.

30344340 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30344340 is an abundant number, since it is smaller than the sum of its proper divisors (61157868).

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

30344340 is a wasteful number, since it uses less digits than its factorization.

30344340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38928 (or 38926 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 21.

The square root of 30344340 is about 5508.5696873145. The cubic root of 30344340 is about 311.9075580833.

Adding to 30344340 its reverse (4344303), we get a palindrome (34688643).

The spelling of 30344340 in words is "thirty million, three hundred forty-four thousand, three hundred forty".