490036893 has 4 divisors (see below), whose sum is σ = 653382528. Its totient is φ = 326691260.

The previous prime is 490036891. The next prime is 490036907. The reversal of 490036893 is 398630094.

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 490036893 - 2¹ = 490036891 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (490036891) 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, 81672813 + ... + 81672818.

It is an arithmetic number, because the mean of its divisors is an integer number (163345632).

Almost surely, 2^490036893 is an apocalyptic number.

It is an amenable number.

490036893 is a deficient number, since it is larger than the sum of its proper divisors (163345635).

490036893 is a wasteful number, since it uses less digits than its factorization.

490036893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163345634.

The product of its (nonzero) digits is 139968, while the sum is 42.

The square root of 490036893 is about 22136.7769334201. The cubic root of 490036893 is about 788.3933018440.

The spelling of 490036893 in words is "four hundred ninety million, thirty-six thousand, eight hundred ninety-three".