1383455 has 8 divisors (see below), whose sum is σ = 1667904. Its totient is φ = 1101600.

The previous prime is 1383451. The next prime is 1383479. The reversal of 1383455 is 5543831.

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

It is not a de Polignac number, because 1383455 - 2² = 1383451 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1383451) 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, 845 + ... + 1865.

It is an arithmetic number, because the mean of its divisors is an integer number (208488).

2^1383455 is an apocalyptic number.

1383455 is a deficient number, since it is larger than the sum of its proper divisors (284449).

1383455 is a wasteful number, since it uses less digits than its factorization.

1383455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1297.

The product of its digits is 7200, while the sum is 29.

The square root of 1383455 is about 1176.2036388313. The cubic root of 1383455 is about 111.4264632048.

The spelling of 1383455 in words is "one million, three hundred eighty-three thousand, four hundred fifty-five".