1390383 has 6 divisors (see below), whose sum is σ = 2008344. Its totient is φ = 926916.

The previous prime is 1390369. The next prime is 1390387. The reversal of 1390383 is 3830931.

It is not a de Polignac number, because 1390383 - 2¹³ = 1382191 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1390387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 77235 + ... + 77252.

It is an arithmetic number, because the mean of its divisors is an integer number (334724).

2^1390383 is an apocalyptic number.

1390383 is a deficient number, since it is larger than the sum of its proper divisors (617961).

1390383 is a wasteful number, since it uses less digits than its factorization.

1390383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154493 (or 154490 counting only the distinct ones).

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

The square root of 1390383 is about 1179.1450292479. The cubic root of 1390383 is about 111.6121522975.

The spelling of 1390383 in words is "one million, three hundred ninety thousand, three hundred eighty-three".