208954864 has 30 divisors (see below), whose sum is σ = 409150896. Its totient is φ = 103379040.

The previous prime is 208954861. The next prime is 208954877. The reversal of 208954864 is 468459802.

208954864 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (208954861) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 169129 + ... + 170359.

Almost surely, 2^208954864 is an apocalyptic number.

It is an amenable number.

208954864 is a deficient number, since it is larger than the sum of its proper divisors (200196032).

208954864 is a wasteful number, since it uses less digits than its factorization.

208954864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1445 (or 1336 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 46.

The square root of 208954864 is about 14455.2711493074. The cubic root of 208954864 is about 593.4044903368.

It can be divided in two parts, 2089 and 54864, that added together give a triangular number (56953 = T₃₃₇).

The spelling of 208954864 in words is "two hundred eight million, nine hundred fifty-four thousand, eight hundred sixty-four".