1383501 has 8 divisors (see below), whose sum is σ = 2108224. Its totient is φ = 790560.

The previous prime is 1383497. The next prime is 1383509. The reversal of 1383501 is 1053831.

It is a happy number.

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

It is not a de Polignac number, because 1383501 - 2² = 1383497 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 65881 = 1383501 / (1 + 3 + 8 + 3 + 5 + 0 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1383509) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32920 + ... + 32961.

It is an arithmetic number, because the mean of its divisors is an integer number (263528).

2^1383501 is an apocalyptic number.

It is an amenable number.

1383501 is a deficient number, since it is larger than the sum of its proper divisors (724723).

1383501 is an equidigital number, since it uses as much as digits as its factorization.

1383501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65891.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 1383501 is about 1176.2231931058. The cubic root of 1383501 is about 111.4276981710.

The spelling of 1383501 in words is "one million, three hundred eighty-three thousand, five hundred one".