30399468 has 192 divisors, whose sum is σ = 92897280. Its totient is φ = 7603200.

The previous prime is 30399461. The next prime is 30399503. The reversal of 30399468 is 86499303.

It is not an unprimeable number, because it can be changed into a prime (30399461) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 980613 + ... + 980643.

It is an arithmetic number, because the mean of its divisors is an integer number (483840).

Almost surely, 2^30399468 is an apocalyptic number.

30399468 is a gapful number since it is divisible by the number (38) 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 30399468, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46448640).

30399468 is an abundant number, since it is smaller than the sum of its proper divisors (62497812).

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

30399468 is a wasteful number, since it uses less digits than its factorization.

30399468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108 (or 106 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 42.

The square root of 30399468 is about 5513.5712564544. The cubic root of 30399468 is about 312.0963295584.

The spelling of 30399468 in words is "thirty million, three hundred ninety-nine thousand, four hundred sixty-eight".