11917434 has 16 divisors (see below), whose sum is σ = 24657120. Its totient is φ = 3835440.

The previous prime is 11917417. The next prime is 11917439. The reversal of 11917434 is 43471911.

It is not an unprimeable number, because it can be changed into a prime (11917439) 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, 34072 + ... + 34419.

It is an arithmetic number, because the mean of its divisors is an integer number (1541070).

Almost surely, 2^11917434 is an apocalyptic number.

11917434 is an abundant number, since it is smaller than the sum of its proper divisors (12739686).

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

11917434 is a wasteful number, since it uses less digits than its factorization.

11917434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68525.

The product of its digits is 3024, while the sum is 30.

The square root of 11917434 is about 3452.1636693529. The cubic root of 11917434 is about 228.4165591911.

The spelling of 11917434 in words is "eleven million, nine hundred seventeen thousand, four hundred thirty-four".