1376389 has 16 divisors (see below), whose sum is σ = 1677312. Its totient is φ = 1104048.

The previous prime is 1376383. The next prime is 1376393. The reversal of 1376389 is 9836731.

It is a cyclic number.

It is not a de Polignac number, because 1376389 - 2⁹ = 1375877 is a prime.

Its product of digits (27216) is a multiple of the sum of its prime divisors (216).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1376383) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13312 + ... + 13414.

It is an arithmetic number, because the mean of its divisors is an integer number (104832).

2^1376389 is an apocalyptic number.

It is an amenable number.

1376389 is a deficient number, since it is larger than the sum of its proper divisors (300923).

1376389 is a wasteful number, since it uses less digits than its factorization.

1376389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216.

The product of its digits is 27216, while the sum is 37.

The square root of 1376389 is about 1173.1960620459. The cubic root of 1376389 is about 111.2364356647.

The spelling of 1376389 in words is "one million, three hundred seventy-six thousand, three hundred eighty-nine".