30376381 has 8 divisors (see below), whose sum is σ = 34841664. Its totient is φ = 25942560.

The previous prime is 30376351. The next prime is 30376387. The reversal of 30376381 is 18367303.

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

It is not a de Polignac number, because 30376381 - 2¹⁹ = 29852093 is a prime.

It is a super-2 number, since 2×30376381² = 1845449045314322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30376387) 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, 5755 + ... + 9688.

It is an arithmetic number, because the mean of its divisors is an integer number (4355208).

Almost surely, 2^30376381 is an apocalyptic number.

It is an amenable number.

30376381 is a deficient number, since it is larger than the sum of its proper divisors (4465283).

30376381 is a wasteful number, since it uses less digits than its factorization.

30376381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15731.

The product of its (nonzero) digits is 9072, while the sum is 31.

The square root of 30376381 is about 5511.4772067024. The cubic root of 30376381 is about 312.0173019388.

The spelling of 30376381 in words is "thirty million, three hundred seventy-six thousand, three hundred eighty-one".