361290 has 16 divisors (see below), whose sum is σ = 867168. Its totient is φ = 96336.

The previous prime is 361279. The next prime is 361313. The reversal of 361290 is 92163.

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

It is a Curzon number.

It is an unprimeable number.

361290 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, 5992 + ... + 6051.

It is an arithmetic number, because the mean of its divisors is an integer number (54198).

2³⁶¹²⁹⁰ is an apocalyptic number.

361290 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

361290 is an abundant number, since it is smaller than the sum of its proper divisors (505878).

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

361290 is a wasteful number, since it uses less digits than its factorization.

361290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12053.

The product of its (nonzero) digits is 324, while the sum is 21.

The square root of 361290 is about 601.0740387007. The cubic root of 361290 is about 71.2227350281. Note that the first 3 decimals are identical.

It can be divided in two parts, 36 and 1290, that added together give a triangular number (1326 = T₅₁).

The spelling of 361290 in words is "three hundred sixty-one thousand, two hundred ninety".