208372992 has 72 divisors (see below), whose sum is σ = 558012000. Its totient is φ = 69027840.

The previous prime is 208372909. The next prime is 208373047. The reversal of 208372992 is 299273802.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 138259 + ... + 139757.

Almost surely, 2^208372992 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 208372992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (279006000).

208372992 is an abundant number, since it is smaller than the sum of its proper divisors (349639008).

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

208372992 is a wasteful number, since it uses less digits than its factorization.

208372992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1699 (or 1685 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 42.

The square root of 208372992 is about 14435.1304808789. The cubic root of 208372992 is about 592.8531648006.

The spelling of 208372992 in words is "two hundred eight million, three hundred seventy-two thousand, nine hundred ninety-two".