11671434 has 24 divisors (see below), whose sum is σ = 26619840. Its totient is φ = 3685608.

The previous prime is 11671421. The next prime is 11671493. The reversal of 11671434 is 43417611.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 11671398 and 11671407.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16722 + ... + 17405.

It is an arithmetic number, because the mean of its divisors is an integer number (1109160).

Almost surely, 2^11671434 is an apocalyptic number.

11671434 is an abundant number, since it is smaller than the sum of its proper divisors (14948406).

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

11671434 is a wasteful number, since it uses less digits than its factorization.

11671434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34154 (or 34151 counting only the distinct ones).

The product of its digits is 2016, while the sum is 27.

The square root of 11671434 is about 3416.3480501846. The cubic root of 11671434 is about 226.8339590631.

It can be divided in two parts, 1167 and 1434, that added together give a square (2601 = 51²).

The spelling of 11671434 in words is "eleven million, six hundred seventy-one thousand, four hundred thirty-four".