15941448 has 80 divisors (see below), whose sum is σ = 45396780. Its totient is φ = 5225472.

The previous prime is 15941423. The next prime is 15941449. The reversal of 15941448 is 84414951.

It can be written as a sum of positive squares in 2 ways, for example, as 15824484 + 116964 = 3978^2 + 342^2 .

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

It is not an unprimeable number, because it can be changed into a prime (15941449) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 47136 + ... + 47472.

Almost surely, 2^15941448 is an apocalyptic number.

15941448 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15941448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22698390).

15941448 is an abundant number, since it is smaller than the sum of its proper divisors (29455332).

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

15941448 is a wasteful number, since it uses less digits than its factorization.

15941448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 428 (or 415 counting only the distinct ones).

The product of its digits is 23040, while the sum is 36.

The square root of 15941448 is about 3992.6742917498. The cubic root of 15941448 is about 251.6764555252.

The spelling of 15941448 in words is "fifteen million, nine hundred forty-one thousand, four hundred forty-eight".