1381446 has 24 divisors (see below), whose sum is σ = 3265704. Its totient is φ = 418560.

The previous prime is 1381441. The next prime is 1381451. The reversal of 1381446 is 6441831.

It is an interprime number because it is at equal distance from previous prime (1381441) and next prime (1381451).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1381441) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3291 + ... + 3686.

It is an arithmetic number, because the mean of its divisors is an integer number (136071).

2^1381446 is an apocalyptic number.

1381446 is an abundant number, since it is smaller than the sum of its proper divisors (1884258).

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

1381446 is a wasteful number, since it uses less digits than its factorization.

1381446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6996 (or 6993 counting only the distinct ones).

The product of its digits is 2304, while the sum is 27.

The square root of 1381446 is about 1175.3493097799. The cubic root of 1381446 is about 111.3725006714.

The spelling of 1381446 in words is "one million, three hundred eighty-one thousand, four hundred forty-six".