4161942 has 40 divisors (see below), whose sum is σ = 9740016. Its totient is φ = 1325808.

The previous prime is 4161881. The next prime is 4161943. The reversal of 4161942 is 2491614.

4161942 is a `hidden beast` number, since 4 + 1 + 619 + 42 = 666.

It is a super-2 number, since 2×4161942² = 34643522422728, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nialpdrome in base 9.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4161943) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3168 + ... + 4284.

Almost surely, 2^4161942 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4161942, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4870008).

4161942 is an abundant number, since it is smaller than the sum of its proper divisors (5578074).

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

4161942 is a wasteful number, since it uses less digits than its factorization.

4161942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1154 (or 1145 counting only the distinct ones).

The product of its digits is 1728, while the sum is 27.

The square root of 4161942 is about 2040.0838218073. The cubic root of 4161942 is about 160.8540528907.

The spelling of 4161942 in words is "four million, one hundred sixty-one thousand, nine hundred forty-two".