1391346 has 24 divisors (see below), whose sum is σ = 3289104. Its totient is φ = 421560.

The previous prime is 1391323. The next prime is 1391353. The reversal of 1391346 is 6431931.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3316 + ... + 3711.

It is an arithmetic number, because the mean of its divisors is an integer number (137046).

2^1391346 is an apocalyptic number.

1391346 is an abundant number, since it is smaller than the sum of its proper divisors (1897758).

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

1391346 is a wasteful number, since it uses less digits than its factorization.

1391346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7046 (or 7043 counting only the distinct ones).

The product of its digits is 1944, while the sum is 27.

The square root of 1391346 is about 1179.5533052813. The cubic root of 1391346 is about 111.6379144310.

It can be divided in two parts, 139 and 1346, that added together give a triangular number (1485 = T₅₄).

The spelling of 1391346 in words is "one million, three hundred ninety-one thousand, three hundred forty-six".