1349979 has 16 divisors (see below), whose sum is σ = 1900800. Its totient is φ = 850976.

The previous prime is 1349977. The next prime is 1349993. The reversal of 1349979 is 9799431.

It is not a de Polignac number, because 1349979 - 2¹ = 1349977 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1349979.

It is not an unprimeable number, because it can be changed into a prime (1349977) 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 15 ways as a sum of consecutive naturals, for example, 5002 + ... + 5264.

It is an arithmetic number, because the mean of its divisors is an integer number (118800).

2^1349979 is an apocalyptic number.

1349979 is a deficient number, since it is larger than the sum of its proper divisors (550821).

1349979 is a wasteful number, since it uses less digits than its factorization.

1349979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 354.

The product of its digits is 61236, while the sum is 42.

The square root of 1349979 is about 1161.8859668659. The cubic root of 1349979 is about 110.5203718847.

The spelling of 1349979 in words is "one million, three hundred forty-nine thousand, nine hundred seventy-nine".