30023694 has 48 divisors (see below), whose sum is σ = 69368832. Its totient is φ = 9363024.

The previous prime is 30023663. The next prime is 30023711. The reversal of 30023694 is 49632003.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18687 + ... + 20229.

It is an arithmetic number, because the mean of its divisors is an integer number (1445184).

Almost surely, 2^30023694 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30023694, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34684416).

30023694 is an abundant number, since it is smaller than the sum of its proper divisors (39345138).

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

30023694 is a wasteful number, since it uses less digits than its factorization.

30023694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1621 (or 1618 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

The square root of 30023694 is about 5479.3881045241. The cubic root of 30023694 is about 310.8050321432.

Adding to 30023694 its reverse (49632003), we get a palindrome (79655697).

The spelling of 30023694 in words is "thirty million, twenty-three thousand, six hundred ninety-four".