6157944 has 160 divisors (see below), whose sum is σ = 20124720. Its totient is φ = 1741824.

The previous prime is 6157939. The next prime is 6157969. The reversal of 6157944 is 4497516.

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

It is a d-powerful number, because it can be written as 6⁵ + 1 + 5⁹ + 7⁴ + 9² + 4⁴ + 4¹¹ .

It is a junction number, because it is equal to n+sod(n) for n = 6157899 and 6157908.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 143187 + ... + 143229.

Almost surely, 2^6157944 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 6157944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10062360).

6157944 is an abundant number, since it is smaller than the sum of its proper divisors (13966776).

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

6157944 is a wasteful number, since it uses less digits than its factorization.

6157944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91 (or 78 counting only the distinct ones).

The product of its digits is 30240, while the sum is 36.

The square root of 6157944 is about 2481.5205016280. The cubic root of 6157944 is about 183.2927322396.

The spelling of 6157944 in words is "six million, one hundred fifty-seven thousand, nine hundred forty-four".