15980748 has 144 divisors (see below), whose sum is σ = 49158144. Its totient is φ = 3939840.

The previous prime is 15980747. The next prime is 15980749. The reversal of 15980748 is 84708951.

It is an interprime number because it is at equal distance from previous prime (15980747) and next prime (15980749).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (15980743) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 515493 + ... + 515523.

It is an arithmetic number, because the mean of its divisors is an integer number (341376).

Almost surely, 2^15980748 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 15980748, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24579072).

15980748 is an abundant number, since it is smaller than the sum of its proper divisors (33177396).

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

15980748 is a wasteful number, since it uses less digits than its factorization.

15980748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100 (or 79 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 42.

The square root of 15980748 is about 3997.5927756589. The cubic root of 15980748 is about 251.8831027488.

The spelling of 15980748 in words is "fifteen million, nine hundred eighty thousand, seven hundred forty-eight".