11401839 has 12 divisors (see below), whose sum is σ = 16535376. Its totient is φ = 7570752.

The previous prime is 11401823. The next prime is 11401853. The reversal of 11401839 is 93810411.

It is not a de Polignac number, because 11401839 - 2⁴ = 11401823 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11401889) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 42 + ... + 4775.

It is an arithmetic number, because the mean of its divisors is an integer number (1377948).

Almost surely, 2^11401839 is an apocalyptic number.

11401839 is a deficient number, since it is larger than the sum of its proper divisors (5133537).

11401839 is a wasteful number, since it uses less digits than its factorization.

11401839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5086 (or 5083 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 27.

The square root of 11401839 is about 3376.6609246414. The cubic root of 11401839 is about 225.0738128196.

The spelling of 11401839 in words is "eleven million, four hundred one thousand, eight hundred thirty-nine".