383745 has 8 divisors (see below), whose sum is σ = 614016. Its totient is φ = 204656.

The previous prime is 383729. The next prime is 383753. The reversal of 383745 is 547383.

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

It is a cyclic number.

It is not a de Polignac number, because 383745 - 2⁴ = 383729 is a prime.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 383745.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12777 + ... + 12806.

It is an arithmetic number, because the mean of its divisors is an integer number (76752).

2³⁸³⁷⁴⁵ is an apocalyptic number.

It is an amenable number.

383745 is a deficient number, since it is larger than the sum of its proper divisors (230271).

383745 is a wasteful number, since it uses less digits than its factorization.

383745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25591.

The product of its digits is 10080, while the sum is 30.

The square root of 383745 is about 619.4715489835. The cubic root of 383745 is about 72.6687310620.

It can be divided in two parts, 383 and 745, that added together give a triangular number (1128 = T₄₇).

The spelling of 383745 in words is "three hundred eighty-three thousand, seven hundred forty-five".