30327949 has 8 divisors (see below), whose sum is σ = 32228280. Its totient is φ = 28539328.

The previous prime is 30327937. The next prime is 30327967. The reversal of 30327949 is 94972303.

It can be written as a sum of positive squares in 4 ways, for example, as 275625 + 30052324 = 525^2 + 5482^2 .

It is not a de Polignac number, because 30327949 - 2¹⁹ = 29803661 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 (30327929) 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, 1827 + ... + 7999.

It is an arithmetic number, because the mean of its divisors is an integer number (4028535).

Almost surely, 2^30327949 is an apocalyptic number.

It is an amenable number.

30327949 is a deficient number, since it is larger than the sum of its proper divisors (1900331).

30327949 is an frugal number, since it uses more digits than its factorization.

30327949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6224 (or 6190 counting only the distinct ones).

The product of its (nonzero) digits is 40824, while the sum is 37.

The square root of 30327949 is about 5507.0817135757. The cubic root of 30327949 is about 311.8513872830.

The spelling of 30327949 in words is "thirty million, three hundred twenty-seven thousand, nine hundred forty-nine".