4272156 has 48 divisors (see below), whose sum is σ = 12660480. Its totient is φ = 1220400.

The previous prime is 4272139. The next prime is 4272157. The reversal of 4272156 is 6512724.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4272157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2070 + ... + 3581.

It is an arithmetic number, because the mean of its divisors is an integer number (263760).

Almost surely, 2^4272156 is an apocalyptic number.

It is an amenable number.

4272156 is an abundant number, since it is smaller than the sum of its proper divisors (8388324).

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

4272156 is a wasteful number, since it uses less digits than its factorization.

4272156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5671 (or 5663 counting only the distinct ones).

The product of its digits is 3360, while the sum is 27.

The square root of 4272156 is about 2066.9194469064. The cubic root of 4272156 is about 162.2615801447.

The spelling of 4272156 in words is "four million, two hundred seventy-two thousand, one hundred fifty-six".