1985495 has 4 divisors (see below), whose sum is σ = 2382600. Its totient is φ = 1588392.

The previous prime is 1985491. The next prime is 1985509. The reversal of 1985495 is 5945891.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1985495 - 2² = 1985491 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1985491) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 198545 + ... + 198554.

It is an arithmetic number, because the mean of its divisors is an integer number (595650).

2^1985495 is an apocalyptic number.

1985495 is a deficient number, since it is larger than the sum of its proper divisors (397105).

1985495 is an equidigital number, since it uses as much as digits as its factorization.

1985495 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 397104.

The product of its digits is 64800, while the sum is 41.

The square root of 1985495 is about 1409.0759383369. The cubic root of 1985495 is about 125.6867797580.

The spelling of 1985495 in words is "one million, nine hundred eighty-five thousand, four hundred ninety-five".