11921934 has 8 divisors (see below), whose sum is σ = 23843880. Its totient is φ = 3973976.

The previous prime is 11921933. The next prime is 11921957. The reversal of 11921934 is 43912911.

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

11921934 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11921933) 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, 993489 + ... + 993500.

It is an arithmetic number, because the mean of its divisors is an integer number (2980485).

Almost surely, 2^11921934 is an apocalyptic number.

11921934 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

11921934 is a wasteful number, since it uses less digits than its factorization.

11921934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1986994.

The product of its digits is 1944, while the sum is 30.

The square root of 11921934 is about 3452.8153729964. The cubic root of 11921934 is about 228.4453054567.

The spelling of 11921934 in words is "eleven million, nine hundred twenty-one thousand, nine hundred thirty-four".