30870894 has 8 divisors (see below), whose sum is σ = 61741800. Its totient is φ = 10290296.

The previous prime is 30870887. The next prime is 30870901. The reversal of 30870894 is 49807803.

It is an interprime number because it is at equal distance from previous prime (30870887) and next prime (30870901).

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

30870894 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2572569 + ... + 2572580.

It is an arithmetic number, because the mean of its divisors is an integer number (7717725).

Almost surely, 2^30870894 is an apocalyptic number.

30870894 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.

30870894 is a wasteful number, since it uses less digits than its factorization.

30870894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5145154.

The product of its (nonzero) digits is 48384, while the sum is 39.

The square root of 30870894 is about 5556.1582050910. The cubic root of 30870894 is about 313.7013604806.

The spelling of 30870894 in words is "thirty million, eight hundred seventy thousand, eight hundred ninety-four".