490206893 has 4 divisors (see below), whose sum is σ = 534771168. Its totient is φ = 445642620.

The previous prime is 490206887. The next prime is 490206943. The reversal of 490206893 is 398602094.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 490206893 - 2⁴ = 490206877 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 490206893.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (490206803) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22282121 + ... + 22282142.

It is an arithmetic number, because the mean of its divisors is an integer number (133692792).

Almost surely, 2^490206893 is an apocalyptic number.

It is an amenable number.

490206893 is a deficient number, since it is larger than the sum of its proper divisors (44564275).

490206893 is a wasteful number, since it uses less digits than its factorization.

490206893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44564274.

The product of its (nonzero) digits is 93312, while the sum is 41.

The square root of 490206893 is about 22140.6163645008. The cubic root of 490206893 is about 788.4844591750.

The spelling of 490206893 in words is "four hundred ninety million, two hundred six thousand, eight hundred ninety-three".