1349885 has 8 divisors (see below), whose sum is σ = 1715256. Its totient is φ = 1016320.

The previous prime is 1349867. The next prime is 1349891. The reversal of 1349885 is 5889431.

It can be written as a sum of positive squares in 4 ways, for example, as 606841 + 743044 = 779^2 + 862^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1349885 - 2¹⁸ = 1087741 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 7 ways as a sum of consecutive naturals, for example, 7856 + ... + 8025.

It is an arithmetic number, because the mean of its divisors is an integer number (214407).

2^1349885 is an apocalyptic number.

It is an amenable number.

1349885 is a deficient number, since it is larger than the sum of its proper divisors (365371).

1349885 is a wasteful number, since it uses less digits than its factorization.

1349885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15903.

The product of its digits is 34560, while the sum is 38.

The square root of 1349885 is about 1161.8455146877. The cubic root of 1349885 is about 110.5178066210.

The spelling of 1349885 in words is "one million, three hundred forty-nine thousand, eight hundred eighty-five".