1799485 has 4 divisors (see below), whose sum is σ = 2159388. Its totient is φ = 1439584.

The previous prime is 1799477. The next prime is 1799503. The reversal of 1799485 is 5849971.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5849971 = 67 ⋅87313.

It can be written as a sum of positive squares in 2 ways, for example, as 917764 + 881721 = 958^2 + 939^2 .

It is a cyclic number.

It is not a de Polignac number, because 1799485 - 2³ = 1799477 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 179944 + ... + 179953.

It is an arithmetic number, because the mean of its divisors is an integer number (539847).

2^1799485 is an apocalyptic number.

It is an amenable number.

1799485 is a deficient number, since it is larger than the sum of its proper divisors (359903).

1799485 is an equidigital number, since it uses as much as digits as its factorization.

1799485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 359902.

The product of its digits is 90720, while the sum is 43.

The square root of 1799485 is about 1341.4488436016. The cubic root of 1799485 is about 121.6324375677.

The spelling of 1799485 in words is "one million, seven hundred ninety-nine thousand, four hundred eighty-five".