1383977 has 4 divisors (see below), whose sum is σ = 1581696. Its totient is φ = 1186260.

The previous prime is 1383961. The next prime is 1383983. The reversal of 1383977 is 7793831.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1383977 - 2⁴ = 1383961 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1383977.

It is not an unprimeable number, because it can be changed into a prime (1383917) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 98849 + ... + 98862.

It is an arithmetic number, because the mean of its divisors is an integer number (395424).

2^1383977 is an apocalyptic number.

It is an amenable number.

1383977 is a deficient number, since it is larger than the sum of its proper divisors (197719).

1383977 is an equidigital number, since it uses as much as digits as its factorization.

1383977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197718.

The product of its digits is 31752, while the sum is 38.

The square root of 1383977 is about 1176.4255182543. The cubic root of 1383977 is about 111.4404757796.

The spelling of 1383977 in words is "one million, three hundred eighty-three thousand, nine hundred seventy-seven".