30386076 has 72 divisors (see below), whose sum is σ = 85188096. Its totient is φ = 8396640.

The previous prime is 30386053. The next prime is 30386077. The reversal of 30386076 is 67068303.

It is a happy number.

It is a super-2 number, since 2×30386076² = 1846627229355552, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30386077) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17395 + ... + 19061.

It is an arithmetic number, because the mean of its divisors is an integer number (1183168).

Almost surely, 2^30386076 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30386076, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42594048).

30386076 is an abundant number, since it is smaller than the sum of its proper divisors (54802020).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30386076 is a wasteful number, since it uses less digits than its factorization.

30386076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1719 (or 1710 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 33.

The square root of 30386076 is about 5512.3566648032. The cubic root of 30386076 is about 312.0504931428.

The spelling of 30386076 in words is "thirty million, three hundred eighty-six thousand, seventy-six".