416243969 has 8 divisors (see below), whose sum is σ = 432908160. Its totient is φ = 399864816.

The previous prime is 416243959. The next prime is 416243977. The reversal of 416243969 is 969342614.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 416243969 - 2⁴ = 416243953 is a prime.

It is a super-2 number, since 2×416243969² = 346518083457745922, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (416243939) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68279 + ... + 74124.

It is an arithmetic number, because the mean of its divisors is an integer number (54113520).

Almost surely, 2^416243969 is an apocalyptic number.

It is an amenable number.

416243969 is a deficient number, since it is larger than the sum of its proper divisors (16664191).

416243969 is a wasteful number, since it uses less digits than its factorization.

416243969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142519.

The product of its digits is 279936, while the sum is 44.

The square root of 416243969 is about 20402.0579599216. The cubic root of 416243969 is about 746.6481350586.

The spelling of 416243969 in words is "four hundred sixteen million, two hundred forty-three thousand, nine hundred sixty-nine".