490740877 has 4 divisors (see below), whose sum is σ = 535353696. Its totient is φ = 446128060.

The previous prime is 490740869. The next prime is 490740889. The reversal of 490740877 is 778047094.

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 490740877 - 2³ = 490740869 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (490740077) 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, 22306393 + ... + 22306414.

It is an arithmetic number, because the mean of its divisors is an integer number (133838424).

Almost surely, 2^490740877 is an apocalyptic number.

It is an amenable number.

490740877 is a deficient number, since it is larger than the sum of its proper divisors (44612819).

490740877 is a wasteful number, since it uses less digits than its factorization.

490740877 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44612818.

The product of its (nonzero) digits is 395136, while the sum is 46.

The square root of 490740877 is about 22152.6720058778. The cubic root of 490740877 is about 788.7706548640.

The spelling of 490740877 in words is "four hundred ninety million, seven hundred forty thousand, eight hundred seventy-seven".