30494336 has 16 divisors (see below), whose sum is σ = 60750690. Its totient is φ = 15247104.

The previous prime is 30494333. The next prime is 30494357. The reversal of 30494336 is 63349403.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 25000000 + 5494336 = 5000^2 + 2344^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is a Harshad number since it is a multiple of its sum of digits (32).

It is not an unprimeable number, because it can be changed into a prime (30494333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 118991 + ... + 119246.

Almost surely, 2^30494336 is an apocalyptic number.

It is an amenable number.

30494336 is a deficient number, since it is larger than the sum of its proper divisors (30256354).

30494336 is an equidigital number, since it uses as much as digits as its factorization.

30494336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238251 (or 238239 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 32.

The square root of 30494336 is about 5522.1676903187. The cubic root of 30494336 is about 312.4206467315.

The spelling of 30494336 in words is "thirty million, four hundred ninety-four thousand, three hundred thirty-six".