30404352 has 144 divisors (see below), whose sum is σ = 91244160. Its totient is φ = 8908800.

The previous prime is 30404327. The next prime is 30404357. The reversal of 30404352 is 25340403.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30404357) 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, 498402 + ... + 498462.

It is an arithmetic number, because the mean of its divisors is an integer number (633640).

Almost surely, 2^30404352 is an apocalyptic number.

30404352 is a gapful number since it is divisible by the number (32) 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 30404352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45622080).

30404352 is an abundant number, since it is smaller than the sum of its proper divisors (60839808).

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

30404352 is a wasteful number, since it uses less digits than its factorization.

30404352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150 (or 136 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 21.

The square root of 30404352 is about 5514.0141457925. The cubic root of 30404352 is about 312.1130425357.

Adding to 30404352 its reverse (25340403), we get a palindrome (55744755).

The spelling of 30404352 in words is "thirty million, four hundred four thousand, three hundred fifty-two".