206741490 has 16 divisors (see below), whose sum is σ = 496179648. Its totient is φ = 55131056.

The previous prime is 206741467. The next prime is 206741501. The reversal of 206741490 is 94147602.

It is a happy 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, 3445662 + ... + 3445721.

It is an arithmetic number, because the mean of its divisors is an integer number (31011228).

Almost surely, 2^206741490 is an apocalyptic number.

206741490 is an abundant number, since it is smaller than the sum of its proper divisors (289438158).

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

206741490 is a wasteful number, since it uses less digits than its factorization.

206741490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6891393.

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 206741490 is about 14378.5079198086. The cubic root of 206741490 is about 591.3018176035.

The spelling of 206741490 in words is "two hundred six million, seven hundred forty-one thousand, four hundred ninety".