30799400 has 24 divisors (see below), whose sum is σ = 71609070. Its totient is φ = 12319680.

The previous prime is 30799397. The next prime is 30799411. The reversal of 30799400 is 499703.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 26481316 + 4318084 = 5146^2 + 2078^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 76799 + ... + 77198.

Almost surely, 2^30799400 is an apocalyptic number.

It is an amenable number.

30799400 is an abundant number, since it is smaller than the sum of its proper divisors (40809670).

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

30799400 is a wasteful number, since it uses less digits than its factorization.

30799400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154013 (or 154004 counting only the distinct ones).

The product of its (nonzero) digits is 6804, while the sum is 32.

The square root of 30799400 is about 5549.7207136936. The cubic root of 30799400 is about 313.4590059736.

The spelling of 30799400 in words is "thirty million, seven hundred ninety-nine thousand, four hundred".