382505477 has 4 divisors (see below), whose sum is σ = 383175936. Its totient is φ = 381835020.

The previous prime is 382505449. The next prime is 382505503. The reversal of 382505477 is 774505283.

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 382505477 - 2¹⁰ = 382504453 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (382505407) 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, 334373 + ... + 335514.

It is an arithmetic number, because the mean of its divisors is an integer number (95793984).

Almost surely, 2^382505477 is an apocalyptic number.

It is an amenable number.

382505477 is a deficient number, since it is larger than the sum of its proper divisors (670459).

382505477 is an equidigital number, since it uses as much as digits as its factorization.

382505477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 670458.

The product of its (nonzero) digits is 235200, while the sum is 41.

The square root of 382505477 is about 19557.7472373482. The cubic root of 382505477 is about 725.9040498583.

The spelling of 382505477 in words is "three hundred eighty-two million, five hundred five thousand, four hundred seventy-seven".