361870 has 8 divisors (see below), whose sum is σ = 651384. Its totient is φ = 144744.

The previous prime is 361843. The next prime is 361871. The reversal of 361870 is 78163.

It is a sphenic number, since it is the product of 3 distinct primes.

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

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 361870.

It is not an unprimeable number, because it can be changed into a prime (361871) by changing a digit.

361870 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 3 ways as a sum of consecutive naturals, for example, 18084 + ... + 18103.

It is an arithmetic number, because the mean of its divisors is an integer number (81423).

2³⁶¹⁸⁷⁰ is an apocalyptic number.

361870 is a deficient number, since it is larger than the sum of its proper divisors (289514).

361870 is a wasteful number, since it uses less digits than its factorization.

361870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36194.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 361870 is about 601.5563149033. The cubic root of 361870 is about 71.2608273276.

The spelling of 361870 in words is "three hundred sixty-one thousand, eight hundred seventy".