30669084 has 48 divisors (see below), whose sum is σ = 79968000. Its totient is φ = 10164528.

The previous prime is 30669053. The next prime is 30669109. The reversal of 30669084 is 48096603.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20779 + ... + 22205.

It is an arithmetic number, because the mean of its divisors is an integer number (1666000).

Almost surely, 2^30669084 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 30669084, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39984000).

30669084 is an abundant number, since it is smaller than the sum of its proper divisors (49298916).

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

30669084 is a wasteful number, since it uses less digits than its factorization.

30669084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1639 (or 1631 counting only the distinct ones).

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

The square root of 30669084 is about 5537.9674971961. The cubic root of 30669084 is about 313.0162866176.

The spelling of 30669084 in words is "thirty million, six hundred sixty-nine thousand, eighty-four".