4398156 has 72 divisors (see below), whose sum is σ = 13138944. Its totient is φ = 1213920.

The previous prime is 4398151. The next prime is 4398181. The reversal of 4398156 is 6518934.

4398156 = T₃₆₈ + T₃₆₉ + ... + T₄₂₃.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 4398156.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4398151) 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, 7531 + ... + 8093.

Almost surely, 2^4398156 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 4398156, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6569472).

4398156 is an abundant number, since it is smaller than the sum of its proper divisors (8740788).

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

4398156 is a wasteful number, since it uses less digits than its factorization.

4398156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 611 (or 606 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The square root of 4398156 is about 2097.1781040245. The cubic root of 4398156 is about 163.8413595818.

It can be divided in two parts, 4398 and 156, that added together give a palindrome (4554).

The spelling of 4398156 in words is "four million, three hundred ninety-eight thousand, one hundred fifty-six".