381088 has 12 divisors (see below), whose sum is σ = 750330. Its totient is φ = 190528.

The previous prime is 381077. The next prime is 381097. The reversal of 381088 is 880183.

It can be written as a sum of positive squares in only one way, i.e., 345744 + 35344 = 588^2 + 188^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5923 + ... + 5986.

2³⁸¹⁰⁸⁸ is an apocalyptic number.

It is an amenable number.

381088 is a deficient number, since it is larger than the sum of its proper divisors (369242).

381088 is a wasteful number, since it uses less digits than its factorization.

381088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11919 (or 11911 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 28.

The square root of 381088 is about 617.3232540574. The cubic root of 381088 is about 72.5006262332.

The spelling of 381088 in words is "three hundred eighty-one thousand, eighty-eight".