208312874 has 24 divisors (see below), whose sum is σ = 392526624. Its totient is φ = 81160200.

The previous prime is 208312847. The next prime is 208312879. The reversal of 208312874 is 478213802.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (208312879) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 59792 + ... + 63179.

It is an arithmetic number, because the mean of its divisors is an integer number (16355276).

Almost surely, 2^208312874 is an apocalyptic number.

208312874 is a deficient number, since it is larger than the sum of its proper divisors (184213750).

208312874 is a wasteful number, since it uses less digits than its factorization.

208312874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123002 (or 122991 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 35.

The square root of 208312874 is about 14433.0479802431. The cubic root of 208312874 is about 592.7961443355.

The spelling of 208312874 in words is "two hundred eight million, three hundred twelve thousand, eight hundred seventy-four".