30689694 has 48 divisors (see below), whose sum is σ = 76313952. Its totient is φ = 8731584.

The previous prime is 30689669. The next prime is 30689717. The reversal of 30689694 is 49698603.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 46672 + ... + 47324.

It is an arithmetic number, because the mean of its divisors is an integer number (1589874).

Almost surely, 2^30689694 is an apocalyptic number.

30689694 is an abundant number, since it is smaller than the sum of its proper divisors (45624258).

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

30689694 is a wasteful number, since it uses less digits than its factorization.

30689694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1041 (or 1038 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 45.

The square root of 30689694 is about 5539.8279756686. The cubic root of 30689694 is about 313.0863878429.

It can be divided in two parts, 306 and 89694, that added together give a square (90000 = 300²).

The spelling of 30689694 in words is "thirty million, six hundred eighty-nine thousand, six hundred ninety-four".