416866138 has 16 divisors (see below), whose sum is σ = 673900416. Its totient is φ = 192256560.

The previous prime is 416866127. The next prime is 416866139. The reversal of 416866138 is 831668614.

It is a happy number.

It is a super-2 number, since 2×416866138² = 347554754022070088, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 416866094 and 416866103.

It is not an unprimeable number, because it can be changed into a prime (416866139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34923 + ... + 45313.

It is an arithmetic number, because the mean of its divisors is an integer number (42118776).

Almost surely, 2^416866138 is an apocalyptic number.

416866138 is a deficient number, since it is larger than the sum of its proper divisors (257034278).

416866138 is a wasteful number, since it uses less digits than its factorization.

416866138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11949.

The product of its digits is 165888, while the sum is 43.

The square root of 416866138 is about 20417.2999684091. The cubic root of 416866138 is about 747.0199603155.

The spelling of 416866138 in words is "four hundred sixteen million, eight hundred sixty-six thousand, one hundred thirty-eight".