412017218 has 18 divisors (see below), whose sum is σ = 639987507. Its totient is φ = 198932580.

The previous prime is 412017209. The next prime is 412017227. The reversal of 412017218 is 812710214.

It is an interprime number because it is at equal distance from previous prime (412017209) and next prime (412017227).

It can be written as a sum of positive squares in only one way, i.e., 206008609 + 206008609 = 14353^2 + 14353^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=14353.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 889655 + ... + 890117.

Almost surely, 2^412017218 is an apocalyptic number.

412017218 is a deficient number, since it is larger than the sum of its proper divisors (227970289).

412017218 is an frugal number, since it uses more digits than its factorization.

412017218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 990 (or 496 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 26.

The square root of 412017218 is about 20298.2072607410. The cubic root of 412017218 is about 744.1122515816.

The spelling of 412017218 in words is "four hundred twelve million, seventeen thousand, two hundred eighteen".