1379456 has 32 divisors (see below), whose sum is σ = 2963100. Its totient is φ = 635904.

The previous prime is 1379449. The next prime is 1379461. The reversal of 1379456 is 6549731.

It can be written as a sum of positive squares in 2 ways, for example, as 1345600 + 33856 = 1160^2 + 184^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1250 + ... + 2078.

2^1379456 is an apocalyptic number.

1379456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1379456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1481550).

1379456 is an abundant number, since it is smaller than the sum of its proper divisors (1583644).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1379456 is an equidigital number, since it uses as much as digits as its factorization.

1379456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 856 (or 844 counting only the distinct ones).

The product of its digits is 22680, while the sum is 35.

The square root of 1379456 is about 1174.5024478476. The cubic root of 1379456 is about 111.3189968831.

The spelling of 1379456 in words is "one million, three hundred seventy-nine thousand, four hundred fifty-six".