361655 has 8 divisors (see below), whose sum is σ = 496032. Its totient is φ = 247968.

The previous prime is 361651. The next prime is 361663. The reversal of 361655 is 556163.

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

It is not a de Polignac number, because 361655 - 2² = 361651 is a prime.

It is an Ulam number.

It is a Duffinian number.

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 361655.

It is not an unprimeable number, because it can be changed into a prime (361651) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5132 + ... + 5201.

It is an arithmetic number, because the mean of its divisors is an integer number (62004).

2³⁶¹⁶⁵⁵ is an apocalyptic number.

361655 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

361655 is a deficient number, since it is larger than the sum of its proper divisors (134377).

361655 is a wasteful number, since it uses less digits than its factorization.

361655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10345.

The product of its digits is 2700, while the sum is 26.

The square root of 361655 is about 601.3775852158. The cubic root of 361655 is about 71.2467116570.

The spelling of 361655 in words is "three hundred sixty-one thousand, six hundred fifty-five".