30404296 has 64 divisors (see below), whose sum is σ = 67359600. Its totient is φ = 12730368.

The previous prime is 30404287. The next prime is 30404299. The reversal of 30404296 is 69240403.

It can be written as a sum of positive squares in 8 ways, for example, as 15888196 + 14516100 = 3986^2 + 3810^2 .

It is not an unprimeable number, because it can be changed into a prime (30404299) 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, 50976 + ... + 51568.

Almost surely, 2^30404296 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 30404296, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33679800).

30404296 is an abundant number, since it is smaller than the sum of its proper divisors (36955304).

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

30404296 is a wasteful number, since it uses less digits than its factorization.

30404296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 658 (or 654 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 30404296 is about 5514.0090678199. The cubic root of 30404296 is about 312.1128509146.

Adding to 30404296 its reverse (69240403), we get a palindrome (99644699).

The spelling of 30404296 in words is "thirty million, four hundred four thousand, two hundred ninety-six".