30326989 has 8 divisors (see below), whose sum is σ = 37810368. Its totient is φ = 23631360.

The previous prime is 30326987. The next prime is 30326993. The reversal of 30326989 is 98962303.

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 30326989 - 2¹ = 30326987 is a prime.

It is a super-2 number, since 2×30326989² = 1839452523612242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30326981) 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, 196852 + ... + 197005.

It is an arithmetic number, because the mean of its divisors is an integer number (4726296).

Almost surely, 2^30326989 is an apocalyptic number.

It is an amenable number.

30326989 is a deficient number, since it is larger than the sum of its proper divisors (7483379).

30326989 is a wasteful number, since it uses less digits than its factorization.

30326989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 393875.

The product of its (nonzero) digits is 69984, while the sum is 40.

The square root of 30326989 is about 5506.9945523852. The cubic root of 30326989 is about 311.8480968034.

The spelling of 30326989 in words is "thirty million, three hundred twenty-six thousand, nine hundred eighty-nine".