208931948 has 6 divisors (see below), whose sum is σ = 365630916. Its totient is φ = 104465972.

The previous prime is 208931903. The next prime is 208931951. The reversal of 208931948 is 849139802.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 208931899 and 208931908.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26116490 + ... + 26116497.

It is an arithmetic number, because the mean of its divisors is an integer number (60938486).

Almost surely, 2^208931948 is an apocalyptic number.

It is an amenable number.

208931948 is a deficient number, since it is larger than the sum of its proper divisors (156698968).

208931948 is a wasteful number, since it uses less digits than its factorization.

208931948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52232991 (or 52232989 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 44.

The square root of 208931948 is about 14454.4784755452. The cubic root of 208931948 is about 593.3827967292.

The spelling of 208931948 in words is "two hundred eight million, nine hundred thirty-one thousand, nine hundred forty-eight".