30382690 has 16 divisors (see below), whose sum is σ = 58895928. Its totient is φ = 11218176.

The previous prime is 30382687. The next prime is 30382721. The reversal of 30382690 is 9628303.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 16818201 + 13564489 = 4101^2 + 3683^2 .

It is a super-2 number, since 2×30382690² = 1846215703272200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 116727 + ... + 116986.

Almost surely, 2^30382690 is an apocalyptic number.

30382690 is a deficient number, since it is larger than the sum of its proper divisors (28513238).

30382690 is a wasteful number, since it uses less digits than its factorization.

30382690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233733.

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 30382690 is about 5512.0495280794. The cubic root of 30382690 is about 312.0389018445.

The spelling of 30382690 in words is "thirty million, three hundred eighty-two thousand, six hundred ninety".