1379485 has 4 divisors (see below), whose sum is σ = 1655388. Its totient is φ = 1103584.

The previous prime is 1379473. The next prime is 1379489. The reversal of 1379485 is 5849731.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5849731 = 31 ⋅188701.

It can be written as a sum of positive squares in 2 ways, for example, as 695556 + 683929 = 834^2 + 827^2 .

It is a cyclic number.

It is not a de Polignac number, because 1379485 - 2¹⁷ = 1248413 is a prime.

It is a Duffinian number.

1379485 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1379489) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 137944 + ... + 137953.

It is an arithmetic number, because the mean of its divisors is an integer number (413847).

2^1379485 is an apocalyptic number.

It is an amenable number.

1379485 is a deficient number, since it is larger than the sum of its proper divisors (275903).

1379485 is an equidigital number, since it uses as much as digits as its factorization.

1379485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275902.

The product of its digits is 30240, while the sum is 37.

The square root of 1379485 is about 1174.5147934360. The cubic root of 1379485 is about 111.3197769558.

The spelling of 1379485 in words is "one million, three hundred seventy-nine thousand, four hundred eighty-five".