361667 has 4 divisors (see below), whose sum is σ = 362976. Its totient is φ = 360360.

The previous prime is 361663. The next prime is 361679. The reversal of 361667 is 766163.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 361667 - 2² = 361663 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (361663) 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, 59 + ... + 852.

It is an arithmetic number, because the mean of its divisors is an integer number (90744).

2³⁶¹⁶⁶⁷ is an apocalyptic number.

361667 is a deficient number, since it is larger than the sum of its proper divisors (1309).

361667 is an equidigital number, since it uses as much as digits as its factorization.

361667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1308.

The product of its digits is 4536, while the sum is 29.

The square root of 361667 is about 601.3875622259. The cubic root of 361667 is about 71.2474996558.

Subtracting 361667 from its reverse (766163), we obtain a square (404496 = 636²).

The spelling of 361667 in words is "three hundred sixty-one thousand, six hundred sixty-seven".