30303397 has 8 divisors (see below), whose sum is σ = 32140800. Its totient is φ = 28509360.

The previous prime is 30303389. The next prime is 30303409. The reversal of 30303397 is 79330303.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 30303397 - 2³ = 30303389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30303697) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9397 + ... + 12202.

It is an arithmetic number, because the mean of its divisors is an integer number (4017600).

Almost surely, 2^30303397 is an apocalyptic number.

It is an amenable number.

30303397 is a deficient number, since it is larger than the sum of its proper divisors (1837403).

30303397 is a wasteful number, since it uses less digits than its factorization.

30303397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21683.

The product of its (nonzero) digits is 5103, while the sum is 28.

The square root of 30303397 is about 5504.8521324373. The cubic root of 30303397 is about 311.7672114367.

The spelling of 30303397 in words is "thirty million, three hundred three thousand, three hundred ninety-seven".