490734859 has 8 divisors (see below), whose sum is σ = 494075232. Its totient is φ = 487406400.

The previous prime is 490734821. The next prime is 490734883. The reversal of 490734859 is 958437094.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 490734859 - 2¹⁹ = 490210571 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (490734899) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89034 + ... + 94384.

It is an arithmetic number, because the mean of its divisors is an integer number (61759404).

Almost surely, 2^490734859 is an apocalyptic number.

490734859 is a deficient number, since it is larger than the sum of its proper divisors (3340373).

490734859 is a wasteful number, since it uses less digits than its factorization.

490734859 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5957.

The product of its (nonzero) digits is 1088640, while the sum is 49.

The square root of 490734859 is about 22152.5361753457. The cubic root of 490734859 is about 788.7674305954.

The spelling of 490734859 in words is "four hundred ninety million, seven hundred thirty-four thousand, eight hundred fifty-nine".