30406449 has 8 divisors (see below), whose sum is σ = 40568320. Its totient is φ = 20257776.

The previous prime is 30406433. The next prime is 30406459. The reversal of 30406449 is 94460403.

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

It is not a de Polignac number, because 30406449 - 2⁴ = 30406433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30406429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5232 + ... + 9390.

It is an arithmetic number, because the mean of its divisors is an integer number (5071040).

Almost surely, 2^30406449 is an apocalyptic number.

It is an amenable number.

30406449 is a deficient number, since it is larger than the sum of its proper divisors (10161871).

30406449 is a wasteful number, since it uses less digits than its factorization.

30406449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6599.

The product of its (nonzero) digits is 10368, while the sum is 30.

The square root of 30406449 is about 5514.2042943656. The cubic root of 30406449 is about 312.1202178901.

The spelling of 30406449 in words is "thirty million, four hundred six thousand, four hundred forty-nine".