4157244 has 144 divisors (see below), whose sum is σ = 13698048. Its totient is φ = 1073088.

The previous prime is 4157239. The next prime is 4157269. The reversal of 4157244 is 4427514.

4157244 is a `hidden beast` number, since 415 + 7 + 244 = 666.

4157244 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 88429 + ... + 88475.

Almost surely, 2^4157244 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4157244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6849024).

4157244 is an abundant number, since it is smaller than the sum of its proper divisors (9540804).

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

4157244 is a wasteful number, since it uses less digits than its factorization.

4157244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86 (or 72 counting only the distinct ones).

The product of its digits is 4480, while the sum is 27.

The square root of 4157244 is about 2038.9320734149. The cubic root of 4157244 is about 160.7935060866.

It can be divided in two parts, 41572 and 44, that added together give a triangular number (41616 = T₂₈₈).

The spelling of 4157244 in words is "four million, one hundred fifty-seven thousand, two hundred forty-four".