11684431 has 8 divisors (see below), whose sum is σ = 12834000. Its totient is φ = 10549440.

The previous prime is 11684429. The next prime is 11684441. The reversal of 11684431 is 13448611.

11684431 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 11684431 - 2¹ = 11684429 is a prime.

It is a super-2 number, since 2×11684431² = 273051855587522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11684431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11684401) 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, 1926 + ... + 5203.

It is an arithmetic number, because the mean of its divisors is an integer number (1604250).

Almost surely, 2^11684431 is an apocalyptic number.

11684431 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11684431 is a deficient number, since it is larger than the sum of its proper divisors (1149569).

11684431 is a wasteful number, since it uses less digits than its factorization.

11684431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7289.

The product of its digits is 2304, while the sum is 28.

The square root of 11684431 is about 3418.2496983105. The cubic root of 11684431 is about 226.9181265930.

The spelling of 11684431 in words is "eleven million, six hundred eighty-four thousand, four hundred thirty-one".