1379949 has 8 divisors (see below), whose sum is σ = 1846272. Its totient is φ = 916800.

The previous prime is 1379947. The next prime is 1379953. The reversal of 1379949 is 9499731.

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

It is not a de Polignac number, because 1379949 - 2¹ = 1379947 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1379949.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1379947) 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 7 ways as a sum of consecutive naturals, for example, 549 + ... + 1749.

It is an arithmetic number, because the mean of its divisors is an integer number (230784).

2^1379949 is an apocalyptic number.

It is an amenable number.

1379949 is a deficient number, since it is larger than the sum of its proper divisors (466323).

1379949 is a wasteful number, since it uses less digits than its factorization.

1379949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1587.

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

The square root of 1379949 is about 1174.7123052050. The cubic root of 1379949 is about 111.3322566340.

The spelling of 1379949 in words is "one million, three hundred seventy-nine thousand, nine hundred forty-nine".