208271190 has 32 divisors (see below), whose sum is σ = 506703456. Its totient is φ = 54777600.

The previous prime is 208271183. The next prime is 208271197. The reversal of 208271190 is 91172802.

It is an interprime number because it is at equal distance from previous prime (208271183) and next prime (208271197).

It is a super-2 number, since 2×208271190² = 86753777168032200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (208271197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45361 + ... + 49740.

It is an arithmetic number, because the mean of its divisors is an integer number (15834483).

Almost surely, 2^208271190 is an apocalyptic number.

208271190 is an abundant number, since it is smaller than the sum of its proper divisors (298432266).

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

208271190 is a wasteful number, since it uses less digits than its factorization.

208271190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95184.

The product of its (nonzero) digits is 2016, while the sum is 30.

The square root of 208271190 is about 14431.6038609712. The cubic root of 208271190 is about 592.7566016317.

The spelling of 208271190 in words is "two hundred eight million, two hundred seventy-one thousand, one hundred ninety".