381084 has 24 divisors (see below), whose sum is σ = 970368. Its totient is φ = 115440.

The previous prime is 381077. The next prime is 381097. The reversal of 381084 is 480183.

381084 = T₁₀₉ + T₁₁₀ + ... + T₁₅₂.

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 381084.

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, 1312 + ... + 1575.

It is an arithmetic number, because the mean of its divisors is an integer number (40432).

2³⁸¹⁰⁸⁴ is an apocalyptic number.

It is an amenable number.

381084 is an abundant number, since it is smaller than the sum of its proper divisors (589284).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

381084 is a wasteful number, since it uses less digits than its factorization.

381084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2905 (or 2903 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 24.

The square root of 381084 is about 617.3200142552. The cubic root of 381084 is about 72.5003725704.

Subtracting 381084 from its reverse (480183), we obtain a palindrome (99099).

The spelling of 381084 in words is "three hundred eighty-one thousand, eighty-four".