30386634 has 32 divisors (see below), whose sum is σ = 65470464. Its totient is φ = 9374640.

The previous prime is 30386621. The next prime is 30386677. The reversal of 30386634 is 43668303.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 30386595 and 30386604.

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, 727 + ... + 7829.

It is an arithmetic number, because the mean of its divisors is an integer number (2045952).

Almost surely, 2^30386634 is an apocalyptic number.

30386634 is an abundant number, since it is smaller than the sum of its proper divisors (35083830).

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

30386634 is a wasteful number, since it uses less digits than its factorization.

30386634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7162.

The product of its (nonzero) digits is 31104, while the sum is 33.

The square root of 30386634 is about 5512.4072781318. The cubic root of 30386634 is about 312.0524032623.

The spelling of 30386634 in words is "thirty million, three hundred eighty-six thousand, six hundred thirty-four".