381460 has 12 divisors (see below), whose sum is σ = 801108. Its totient is φ = 152576.

The previous prime is 381443. The next prime is 381461. The reversal of 381460 is 64183.

It can be written as a sum of positive squares in 2 ways, for example, as 51984 + 329476 = 228^2 + 574^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (381461) 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, 9517 + ... + 9556.

It is an arithmetic number, because the mean of its divisors is an integer number (66759).

2³⁸¹⁴⁶⁰ is an apocalyptic number.

It is an amenable number.

381460 is an abundant number, since it is smaller than the sum of its proper divisors (419648).

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

381460 is a wasteful number, since it uses less digits than its factorization.

381460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19082 (or 19080 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 381460 is about 617.6244813801. The cubic root of 381460 is about 72.5242091170.

It can be divided in two parts, 381 and 460, that added together give a square (841 = 29²).

The spelling of 381460 in words is "three hundred eighty-one thousand, four hundred sixty".