208893051 has 24 divisors (see below), whose sum is σ = 309204480. Its totient is φ = 135835056.

The previous prime is 208893023. The next prime is 208893101. The reversal of 208893051 is 150398802.

It is not a de Polignac number, because 208893051 - 2¹⁷ = 208761979 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 208892997 and 208893015.

It is not an unprimeable number, because it can be changed into a prime (208893851) 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 23 ways as a sum of consecutive naturals, for example, 159666 + ... + 160968.

It is an arithmetic number, because the mean of its divisors is an integer number (12883520).

Almost surely, 2^208893051 is an apocalyptic number.

208893051 is a deficient number, since it is larger than the sum of its proper divisors (100311429).

208893051 is a wasteful number, since it uses less digits than its factorization.

208893051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1735 (or 1732 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 36.

The square root of 208893051 is about 14453.1329129708. The cubic root of 208893051 is about 593.3459709536.

The spelling of 208893051 in words is "two hundred eight million, eight hundred ninety-three thousand, fifty-one".