1383895 has 4 divisors (see below), whose sum is σ = 1660680. Its totient is φ = 1107112.

The previous prime is 1383881. The next prime is 1383901. The reversal of 1383895 is 5983831.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1383895 - 2¹⁵ = 1351127 is a prime.

1383895 is a lucky number.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 138385 + ... + 138394.

It is an arithmetic number, because the mean of its divisors is an integer number (415170).

2^1383895 is an apocalyptic number.

1383895 is a deficient number, since it is larger than the sum of its proper divisors (276785).

1383895 is an equidigital number, since it uses as much as digits as its factorization.

1383895 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276784.

The product of its digits is 25920, while the sum is 37.

The square root of 1383895 is about 1176.3906664030. The cubic root of 1383895 is about 111.4382748038.

It can be divided in two parts, 1383 and 895, that added together give a triangular number (2278 = T₆₇).

The spelling of 1383895 in words is "one million, three hundred eighty-three thousand, eight hundred ninety-five".