646412114 has 16 divisors (see below), whose sum is σ = 1041981408. Its totient is φ = 299652672.

The previous prime is 646412113. The next prime is 646412159. The reversal of 646412114 is 411214646.

It is a super-2 number, since 2×646412114² = 835697242251897992, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (646412113) 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, 139604 + ... + 144159.

It is an arithmetic number, because the mean of its divisors is an integer number (65123838).

Almost surely, 2^646412114 is an apocalyptic number.

646412114 is a deficient number, since it is larger than the sum of its proper divisors (395569294).

646412114 is a wasteful number, since it uses less digits than its factorization.

646412114 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283849.

The product of its digits is 4608, while the sum is 29.

The square root of 646412114 is about 25424.6359659288. The cubic root of 646412114 is about 864.6423344499.

The spelling of 646412114 in words is "six hundred forty-six million, four hundred twelve thousand, one hundred fourteen".