416668 has 24 divisors (see below), whose sum is σ = 870912. Its totient is φ = 170544.

The previous prime is 416659. The next prime is 416677. The reversal of 416668 is 866614.

It is an interprime number because it is at equal distance from previous prime (416659) and next prime (416677).

It is a super-2 number, since 2×416668² = 347224444448, which contains 22 as substring.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 321 + ... + 967.

It is an arithmetic number, because the mean of its divisors is an integer number (36288).

2⁴¹⁶⁶⁶⁸ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 416668, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (435456).

416668 is an abundant number, since it is smaller than the sum of its proper divisors (454244).

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

416668 is a wasteful number, since it uses less digits than its factorization.

416668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 681 (or 679 counting only the distinct ones).

The product of its digits is 6912, while the sum is 31.

The square root of 416668 is about 645.4982571626. The cubic root of 416668 is about 74.6901587786.

The spelling of 416668 in words is "four hundred sixteen thousand, six hundred sixty-eight".