30381793 has 8 divisors (see below), whose sum is σ = 32852736. Its totient is φ = 27930000.

The previous prime is 30381751. The next prime is 30381803. The reversal of 30381793 is 39718303.

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 30381793 - 2¹⁷ = 30250721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30381713) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1393 + ... + 7918.

It is an arithmetic number, because the mean of its divisors is an integer number (4106592).

Almost surely, 2^30381793 is an apocalyptic number.

It is an amenable number.

30381793 is a deficient number, since it is larger than the sum of its proper divisors (2470943).

30381793 is a wasteful number, since it uses less digits than its factorization.

30381793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9575.

The product of its (nonzero) digits is 13608, while the sum is 34.

The square root of 30381793 is about 5511.9681602854. The cubic root of 30381793 is about 312.0358309989.

The spelling of 30381793 in words is "thirty million, three hundred eighty-one thousand, seven hundred ninety-three".