1369949 has 16 divisors (see below), whose sum is σ = 1671168. Its totient is φ = 1097712.

The previous prime is 1369943. The next prime is 1369961. The reversal of 1369949 is 9499631.

It is a de Polignac number, because none of the positive numbers 2^k-1369949 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1369943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10724 + ... + 10850.

It is an arithmetic number, because the mean of its divisors is an integer number (104448).

2^1369949 is an apocalyptic number.

It is an amenable number.

1369949 is a deficient number, since it is larger than the sum of its proper divisors (301219).

1369949 is a wasteful number, since it uses less digits than its factorization.

1369949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224.

The product of its digits is 52488, while the sum is 41.

The square root of 1369949 is about 1170.4482047489. The cubic root of 1369949 is about 111.0626759635.

The spelling of 1369949 in words is "one million, three hundred sixty-nine thousand, nine hundred forty-nine".