11839402 has 8 divisors (see below), whose sum is σ = 17799012. Its totient is φ = 5906400.

The previous prime is 11839397. The next prime is 11839409. The reversal of 11839402 is 20493811.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 11703241 + 136161 = 3421^2 + 369^2 .

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 (11839409) 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, 5499 + ... + 7342.

Almost surely, 2^11839402 is an apocalyptic number.

11839402 is a deficient number, since it is larger than the sum of its proper divisors (5959610).

11839402 is a wasteful number, since it uses less digits than its factorization.

11839402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13304.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 11839402 is about 3440.8432106099. The cubic root of 11839402 is about 227.9169313680.

It can be divided in two parts, 1183 and 9402, that added together give a triangular number (10585 = T₁₄₅).

The spelling of 11839402 in words is "eleven million, eight hundred thirty-nine thousand, four hundred two".