381477 has 8 divisors (see below), whose sum is σ = 514080. Its totient is φ = 251600.

The previous prime is 381467. The next prime is 381481. The reversal of 381477 is 774183.

It is a happy number.

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 381477 - 2⁴ = 381461 is a prime.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 381477.

It is not an unprimeable number, because it can be changed into a prime (381467) 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, 327 + ... + 932.

It is an arithmetic number, because the mean of its divisors is an integer number (64260).

2³⁸¹⁴⁷⁷ is an apocalyptic number.

It is an amenable number.

381477 is a deficient number, since it is larger than the sum of its proper divisors (132603).

381477 is a wasteful number, since it uses less digits than its factorization.

381477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1363.

The product of its digits is 4704, while the sum is 30.

The square root of 381477 is about 617.6382436346. The cubic root of 381477 is about 72.5252864630.

It can be divided in two parts, 381 and 477, that added together give a palindrome (858).

The spelling of 381477 in words is "three hundred eighty-one thousand, four hundred seventy-seven".