30283893 has 12 divisors (see below), whose sum is σ = 45645600. Its totient is φ = 19311336.

The previous prime is 30283879. The next prime is 30283907. The reversal of 30283893 is 39838203.

It is an interprime number because it is at equal distance from previous prime (30283879) and next prime (30283907).

It is not a de Polignac number, because 30283893 - 2⁵ = 30283861 is a prime.

It is a super-2 number, since 2×30283893² = 1834228350470898, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30283493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 72943 + ... + 73356.

It is an arithmetic number, because the mean of its divisors is an integer number (3803800).

Almost surely, 2^30283893 is an apocalyptic number.

It is an amenable number.

30283893 is a deficient number, since it is larger than the sum of its proper divisors (15361707).

30283893 is a wasteful number, since it uses less digits than its factorization.

30283893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146328 (or 146325 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 30283893 is about 5503.0803192394. The cubic root of 30283893 is about 311.7003101064.

The spelling of 30283893 in words is "thirty million, two hundred eighty-three thousand, eight hundred ninety-three".