1005485 has 16 divisors (see below), whose sum is σ = 1344000. Its totient is φ = 717120.

The previous prime is 1005481. The next prime is 1005493. The reversal of 1005485 is 5845001.

It is not a de Polignac number, because 1005485 - 2² = 1005481 is a prime.

It is a super-2 number, since 2×1005485² = 2022000170450, which contains 22 as substring.

It is an Ulam number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1005485.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1005481) 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, 1766 + ... + 2264.

It is an arithmetic number, because the mean of its divisors is an integer number (84000).

2^1005485 is an apocalyptic number.

It is an amenable number.

1005485 is a deficient number, since it is larger than the sum of its proper divisors (338515).

1005485 is a wasteful number, since it uses less digits than its factorization.

1005485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 548.

The product of its (nonzero) digits is 800, while the sum is 23.

The square root of 1005485 is about 1002.7387496252. The cubic root of 1005485 is about 100.1825000680.

The spelling of 1005485 in words is "one million, five thousand, four hundred eighty-five".