15085980 has 192 divisors, whose sum is σ = 57953280. Its totient is φ = 3172608.

The previous prime is 15085979. The next prime is 15086011. The reversal of 15085980 is 8958051.

15085980 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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

It is a zygodrome in base 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 48987 + ... + 49293.

It is an arithmetic number, because the mean of its divisors is an integer number (301840).

Almost surely, 2^15085980 is an apocalyptic number.

15085980 is a gapful number since it is divisible by the number (10) 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 15085980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28976640).

15085980 is an abundant number, since it is smaller than the sum of its proper divisors (42867300).

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

15085980 is a wasteful number, since it uses less digits than its factorization.

15085980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 345 (or 337 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 36.

The square root of 15085980 is about 3884.0674556449. The cubic root of 15085980 is about 247.0915208825.

The spelling of 15085980 in words is "fifteen million, eighty-five thousand, nine hundred eighty".