30345408 has 112 divisors (see below), whose sum is σ = 94548960. Its totient is φ = 9510912.

The previous prime is 30345407. The next prime is 30345433. The reversal of 30345408 is 80454303.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (30345407) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28860 + ... + 29892.

Almost surely, 2^30345408 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 30345408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47274480).

30345408 is an abundant number, since it is smaller than the sum of its proper divisors (64203552).

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

30345408 is a wasteful number, since it uses less digits than its factorization.

30345408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1071 (or 1055 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 30345408 is about 5508.6666263262. Note that the first 4 decimals coincide. The cubic root of 30345408 is about 311.9112173420.

The spelling of 30345408 in words is "thirty million, three hundred forty-five thousand, four hundred eight".