1379408 has 20 divisors (see below), whose sum is σ = 2711508. Its totient is φ = 679680.

The previous prime is 1379387. The next prime is 1379423. The reversal of 1379408 is 8049731.

It can be written as a sum of positive squares in 2 ways, for example, as 1056784 + 322624 = 1028^2 + 568^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 578 + ... + 1758.

2^1379408 is an apocalyptic number.

It is an amenable number.

1379408 is a deficient number, since it is larger than the sum of its proper divisors (1332100).

1379408 is a wasteful number, since it uses less digits than its factorization.

1379408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1262 (or 1256 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 1379408 is about 1174.4820134851. The cubic root of 1379408 is about 111.3177057041.

The spelling of 1379408 in words is "one million, three hundred seventy-nine thousand, four hundred eight".