30399807 has 4 divisors (see below), whose sum is σ = 40533080. Its totient is φ = 20266536.

The previous prime is 30399799. The next prime is 30399821. The reversal of 30399807 is 70899303.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 30399807 - 2³ = 30399799 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 (30399847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5066632 + ... + 5066637.

It is an arithmetic number, because the mean of its divisors is an integer number (10133270).

Almost surely, 2^30399807 is an apocalyptic number.

30399807 is a deficient number, since it is larger than the sum of its proper divisors (10133273).

30399807 is a wasteful number, since it uses less digits than its factorization.

30399807 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10133272.

The product of its (nonzero) digits is 40824, while the sum is 39.

The square root of 30399807 is about 5513.6019986938. The cubic root of 30399807 is about 312.0974896693.

The spelling of 30399807 in words is "thirty million, three hundred ninety-nine thousand, eight hundred seven".