42366 has 16 divisors (see below), whose sum is σ = 88704. Its totient is φ = 13464.

The previous prime is 42359. The next prime is 42373. The reversal of 42366 is 66324.

It is an interprime number because it is at equal distance from previous prime (42359) and next prime (42373).

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

42366 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, 16 + ... + 291.

It is an arithmetic number, because the mean of its divisors is an integer number (5544).

2⁴²³⁶⁶ is an apocalyptic number.

42366 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

42366 is an abundant number, since it is smaller than the sum of its proper divisors (46338).

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

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44352).

42366 is a wasteful number, since it uses less digits than its factorization.

42366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335.

The product of its digits is 864, while the sum is 21.

The square root of 42366 is about 205.8300269640. The cubic root of 42366 is about 34.8609448637.

The spelling of 42366 in words is "forty-two thousand, three hundred sixty-six".