30764238 has 16 divisors (see below), whose sum is σ = 61585920. Its totient is φ = 10245176.

The previous prime is 30764233. The next prime is 30764243. The reversal of 30764238 is 83246703.

It is an interprime number because it is at equal distance from previous prime (30764233) and next prime (30764243).

It is a junction number, because it is equal to n+sod(n) for n = 30764199 and 30764208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30764233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8131 + ... + 11297.

It is an arithmetic number, because the mean of its divisors is an integer number (3849120).

Almost surely, 2^30764238 is an apocalyptic number.

30764238 is an abundant number, since it is smaller than the sum of its proper divisors (30821682).

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

30764238 is a wasteful number, since it uses less digits than its factorization.

30764238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4791.

The product of its (nonzero) digits is 24192, while the sum is 33.

The square root of 30764238 is about 5546.5519018576. The cubic root of 30764238 is about 313.3396741838.

The spelling of 30764238 in words is "thirty million, seven hundred sixty-four thousand, two hundred thirty-eight".