11901942 has 48 divisors (see below), whose sum is σ = 29243760. Its totient is φ = 3468096.

The previous prime is 11901937. The next prime is 11901949. The reversal of 11901942 is 24910911.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11901949) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3108 + ... + 5784.

It is an arithmetic number, because the mean of its divisors is an integer number (609245).

Almost surely, 2^11901942 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11901942, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14621880).

11901942 is an abundant number, since it is smaller than the sum of its proper divisors (17341818).

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

11901942 is a wasteful number, since it uses less digits than its factorization.

11901942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2717 (or 2714 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 27.

The square root of 11901942 is about 3449.9191294870. The cubic root of 11901942 is about 228.3175400067.

The spelling of 11901942 in words is "eleven million, nine hundred one thousand, nine hundred forty-two".