419668 has 6 divisors (see below), whose sum is σ = 734426. Its totient is φ = 209832.

The previous prime is 419651. The next prime is 419687. The reversal of 419668 is 866914.

It can be written as a sum of positive squares in only one way, i.e., 258064 + 161604 = 508^2 + 402^2 .

It is a super-3 number, since 3×419668³ = 221737333336936896, which contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52455 + ... + 52462.

2⁴¹⁹⁶⁶⁸ is an apocalyptic number.

It is an amenable number.

419668 is a deficient number, since it is larger than the sum of its proper divisors (314758).

419668 is a wasteful number, since it uses less digits than its factorization.

419668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104921 (or 104919 counting only the distinct ones).

The product of its digits is 10368, while the sum is 34.

The square root of 419668 is about 647.8178756410. The cubic root of 419668 is about 74.8689860861.

The spelling of 419668 in words is "four hundred nineteen thousand, six hundred sixty-eight".