208148998 has 4 divisors (see below), whose sum is σ = 312223500. Its totient is φ = 104074498.

The previous prime is 208148917. The next prime is 208148999. The reversal of 208148998 is 899841802.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (208148999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52037248 + ... + 52037251.

It is an arithmetic number, because the mean of its divisors is an integer number (78055875).

Almost surely, 2^208148998 is an apocalyptic number.

208148998 is a deficient number, since it is larger than the sum of its proper divisors (104074502).

208148998 is a wasteful number, since it uses less digits than its factorization.

208148998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104074501.

The product of its (nonzero) digits is 331776, while the sum is 49.

The square root of 208148998 is about 14427.3697533542. The cubic root of 208148998 is about 592.6406561920.

The spelling of 208148998 in words is "two hundred eight million, one hundred forty-eight thousand, nine hundred ninety-eight".