205414628 has 24 divisors (see below), whose sum is σ = 368344704. Its totient is φ = 100188000.

The previous prime is 205414609. The next prime is 205414661. The reversal of 205414628 is 826414502.

It is a junction number, because it is equal to n+sod(n) for n = 205414594 and 205414603.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60578 + ... + 63878.

It is an arithmetic number, because the mean of its divisors is an integer number (15347696).

Almost surely, 2^205414628 is an apocalyptic number.

It is an amenable number.

205414628 is a deficient number, since it is larger than the sum of its proper divisors (162930076).

205414628 is a wasteful number, since it uses less digits than its factorization.

205414628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3683 (or 3681 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 32.

The square root of 205414628 is about 14332.2931870654. The cubic root of 205414628 is about 590.0341146606.

The spelling of 205414628 in words is "two hundred five million, four hundred fourteen thousand, six hundred twenty-eight".