381070 has 16 divisors (see below), whose sum is σ = 699840. Its totient is φ = 149344.

The previous prime is 381061. The next prime is 381071. The reversal of 381070 is 70183.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (381071) by changing a digit.

381070 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 171 + ... + 889.

It is an arithmetic number, because the mean of its divisors is an integer number (43740).

2³⁸¹⁰⁷⁰ is an apocalyptic number.

381070 is a deficient number, since it is larger than the sum of its proper divisors (318770).

381070 is a wasteful number, since it uses less digits than its factorization.

381070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 779.

The product of its (nonzero) digits is 168, while the sum is 19.

The square root of 381070 is about 617.3086748135. The cubic root of 381070 is about 72.4994847367.

The spelling of 381070 in words is "three hundred eighty-one thousand, seventy".