30289994 has 8 divisors (see below), whose sum is σ = 51925728. Its totient is φ = 12981420.

The previous prime is 30289991. The next prime is 30290023. The reversal of 30289994 is 49998203.

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

It is not an unprimeable number, because it can be changed into a prime (30289991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1081772 + ... + 1081799.

It is an arithmetic number, because the mean of its divisors is an integer number (6490716).

Almost surely, 2^30289994 is an apocalyptic number.

30289994 is a deficient number, since it is larger than the sum of its proper divisors (21635734).

30289994 is a wasteful number, since it uses less digits than its factorization.

30289994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2163580.

The product of its (nonzero) digits is 139968, while the sum is 44.

The square root of 30289994 is about 5503.6346172325. The cubic root of 30289994 is about 311.7212404394.

The spelling of 30289994 in words is "thirty million, two hundred eighty-nine thousand, nine hundred ninety-four".