366642 has 12 divisors (see below), whose sum is σ = 794430. Its totient is φ = 122208.

The previous prime is 366631. The next prime is 366677. The reversal of 366642 is 246663.

366642 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 281961 + 84681 = 531^2 + 291^2 .

It is an Ulam number.

It is an unprimeable number.

366642 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 5 ways as a sum of consecutive naturals, for example, 10167 + ... + 10202.

2³⁶⁶⁶⁴² is an apocalyptic number.

366642 is an abundant number, since it is smaller than the sum of its proper divisors (427788).

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

366642 is a wasteful number, since it uses less digits than its factorization.

366642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20377 (or 20374 counting only the distinct ones).

The product of its digits is 5184, while the sum is 27.

The square root of 366642 is about 605.5097026473. The cubic root of 366642 is about 71.5727005984.

The spelling of 366642 in words is "three hundred sixty-six thousand, six hundred forty-two".