4156242 has 8 divisors (see below), whose sum is σ = 8312496. Its totient is φ = 1385412.

The previous prime is 4156219. The next prime is 4156249. The reversal of 4156242 is 2426514.

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

4156242 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (4156249) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 346348 + ... + 346359.

It is an arithmetic number, because the mean of its divisors is an integer number (1039062).

Almost surely, 2^4156242 is an apocalyptic number.

4156242 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.

4156242 is a wasteful number, since it uses less digits than its factorization.

4156242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 692712.

The product of its digits is 1920, while the sum is 24.

The square root of 4156242 is about 2038.6863417407. The cubic root of 4156242 is about 160.7805866269.

The spelling of 4156242 in words is "four million, one hundred fifty-six thousand, two hundred forty-two".