383977 has 8 divisors (see below), whose sum is σ = 425952. Its totient is φ = 343200.

The previous prime is 383969. The next prime is 383983. The reversal of 383977 is 779383.

383977 is nontrivially palindromic in base 15.

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

It is not a de Polignac number, because 383977 - 2³ = 383969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (383917) 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 7 ways as a sum of consecutive naturals, for example, 477 + ... + 997.

It is an arithmetic number, because the mean of its divisors is an integer number (53244).

383977 is a Friedman number, since it can be written as 737*(9+8^3), using all its digits and the basic arithmetic operations.

2³⁸³⁹⁷⁷ is an apocalyptic number.

It is an amenable number.

383977 is a deficient number, since it is larger than the sum of its proper divisors (41975).

383977 is a wasteful number, since it uses less digits than its factorization.

383977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 599.

The product of its digits is 31752, while the sum is 37.

The square root of 383977 is about 619.6587770701. The cubic root of 383977 is about 72.6833725116.

It can be divided in two parts, 3839 and 77, that added together give a triangular number (3916 = T₈₈).

The spelling of 383977 in words is "three hundred eighty-three thousand, nine hundred seventy-seven".