1079391 has 8 divisors (see below), whose sum is σ = 1444864. Its totient is φ = 716760.

The previous prime is 1079383. The next prime is 1079399. The reversal of 1079391 is 1939701.

It is an interprime number because it is at equal distance from previous prime (1079383) and next prime (1079399).

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

It is not a de Polignac number, because 1079391 - 2³ = 1079383 is a prime.

It is a Duffinian number.

1079391 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1079399) 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, 450 + ... + 1536.

It is an arithmetic number, because the mean of its divisors is an integer number (180608).

2^1079391 is an apocalyptic number.

1079391 is a deficient number, since it is larger than the sum of its proper divisors (365473).

1079391 is a wasteful number, since it uses less digits than its factorization.

1079391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1421.

The product of its (nonzero) digits is 1701, while the sum is 30.

The square root of 1079391 is about 1038.9374379625. The cubic root of 1079391 is about 102.5792684459.

It can be divided in two parts, 10 and 79391, that added together give a triangular number (79401 = T₃₉₈).

The spelling of 1079391 in words is "one million, seventy-nine thousand, three hundred ninety-one".