30390378 has 8 divisors (see below), whose sum is σ = 60780768. Its totient is φ = 10130124.

The previous prime is 30390331. The next prime is 30390401. The reversal of 30390378 is 87309303.

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

30390378 is an admirable 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, 2532526 + ... + 2532537.

It is an arithmetic number, because the mean of its divisors is an integer number (7597596).

Almost surely, 2^30390378 is an apocalyptic number.

30390378 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.

30390378 is a wasteful number, since it uses less digits than its factorization.

30390378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5065068.

The product of its (nonzero) digits is 13608, while the sum is 33.

The square root of 30390378 is about 5512.7468652206. The cubic root of 30390378 is about 312.0652189433.

The spelling of 30390378 in words is "thirty million, three hundred ninety thousand, three hundred seventy-eight".