11839930 has 8 divisors (see below), whose sum is σ = 21311892. Its totient is φ = 4735968.

The previous prime is 11839913. The next prime is 11839931. The reversal of 11839930 is 3993811.

It can be written as a sum of positive squares in 2 ways, for example, as 10349089 + 1490841 = 3217^2 + 1221^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (11839931) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 591987 + ... + 592006.

Almost surely, 2^11839930 is an apocalyptic number.

11839930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11839930 is a deficient number, since it is larger than the sum of its proper divisors (9471962).

11839930 is a wasteful number, since it uses less digits than its factorization.

11839930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1184000.

The product of its (nonzero) digits is 5832, while the sum is 34.

The square root of 11839930 is about 3440.9199351336. The cubic root of 11839930 is about 227.9203194431.

It can be divided in two parts, 11839 and 930, that added together give a square (12769 = 113²).

The spelling of 11839930 in words is "eleven million, eight hundred thirty-nine thousand, nine hundred thirty".