1485540 has 120 divisors (see below), whose sum is σ = 5366592. Its totient is φ = 336960.

The previous prime is 1485503. The next prime is 1485541. The reversal of 1485540 is 455841.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (1485541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 11275 + ... + 11405.

2^1485540 is an apocalyptic number.

1485540 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 1485540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2683296).

1485540 is an abundant number, since it is smaller than the sum of its proper divisors (3881052).

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

1485540 is a wasteful number, since it uses less digits than its factorization.

1485540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159 (or 148 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 27.

The square root of 1485540 is about 1218.8273052406. The cubic root of 1485540 is about 114.1024010650.

It can be divided in two parts, 1485 and 540, that added together give a square (2025 = 45²).

The spelling of 1485540 in words is "one million, four hundred eighty-five thousand, five hundred forty".