208674140 has 24 divisors (see below), whose sum is σ = 453327840. Its totient is φ = 80591168.

The previous prime is 208674079. The next prime is 208674173. The reversal of 208674140 is 41476802.

It is a junction number, because it is equal to n+sod(n) for n = 208674097 and 208674106.

It is a congruent number.

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, 179312 + ... + 180471.

It is an arithmetic number, because the mean of its divisors is an integer number (18888660).

Almost surely, 2^208674140 is an apocalyptic number.

208674140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

208674140 is an abundant number, since it is smaller than the sum of its proper divisors (244653700).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

208674140 is a wasteful number, since it uses less digits than its factorization.

208674140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 359821 (or 359819 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 32.

The square root of 208674140 is about 14445.5577946994. The cubic root of 208674140 is about 593.1386314263.

The spelling of 208674140 in words is "two hundred eight million, six hundred seventy-four thousand, one hundred forty".