1985360 has 80 divisors (see below), whose sum is σ = 5249664. Its totient is φ = 692736.

The previous prime is 1985317. The next prime is 1985363. The reversal of 1985360 is 635891.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1985363) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23879 + ... + 23961.

2^1985360 is an apocalyptic number.

1985360 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 1985360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2624832).

1985360 is an abundant number, since it is smaller than the sum of its proper divisors (3264304).

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

1985360 is a wasteful number, since it uses less digits than its factorization.

1985360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132 (or 126 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 1985360 is about 1409.0280337878. The cubic root of 1985360 is about 125.6839310813.

The spelling of 1985360 in words is "one million, nine hundred eighty-five thousand, three hundred sixty".