30889038 has 8 divisors (see below), whose sum is σ = 61778088. Its totient is φ = 10296344.

The previous prime is 30888967. The next prime is 30889039. The reversal of 30889038 is 83098803.

It is a happy number.

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

30889038 is an admirable number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 30888987 and 30889005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30889039) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2574081 + ... + 2574092.

It is an arithmetic number, because the mean of its divisors is an integer number (7722261).

Almost surely, 2^30889038 is an apocalyptic number.

30889038 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30889038 is a wasteful number, since it uses less digits than its factorization.

30889038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5148178.

The product of its (nonzero) digits is 41472, while the sum is 39.

The square root of 30889038 is about 5557.7907481301. The cubic root of 30889038 is about 313.7628065227.

The spelling of 30889038 in words is "thirty million, eight hundred eighty-nine thousand, thirty-eight".