1409949 has 12 divisors (see below), whose sum is σ = 2086812. Its totient is φ = 916800.

The previous prime is 1409917. The next prime is 1409957. The reversal of 1409949 is 9499041.

It can be written as a sum of positive squares in 2 ways, for example, as 632025 + 777924 = 795^2 + 882^2 .

It is not a de Polignac number, because 1409949 - 2⁵ = 1409917 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1409999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1542 + ... + 2279.

It is an arithmetic number, because the mean of its divisors is an integer number (173901).

2^1409949 is an apocalyptic number.

It is an amenable number.

1409949 is a deficient number, since it is larger than the sum of its proper divisors (676863).

1409949 is a wasteful number, since it uses less digits than its factorization.

1409949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3868 (or 3865 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 36.

The square root of 1409949 is about 1187.4127336356. The cubic root of 1409949 is about 112.1332650515.

The spelling of 1409949 in words is "one million, four hundred nine thousand, nine hundred forty-nine".