490415691 has 8 divisors (see below), whose sum is σ = 674980864. Its totient is φ = 316397160.

The previous prime is 490415689. The next prime is 490415713. The reversal of 490415691 is 196514094.

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

It is not a de Polignac number, because 490415691 - 2¹ = 490415689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (490415621) 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, 2636551 + ... + 2636736.

It is an arithmetic number, because the mean of its divisors is an integer number (84372608).

Almost surely, 2^490415691 is an apocalyptic number.

490415691 is a deficient number, since it is larger than the sum of its proper divisors (184565173).

490415691 is a wasteful number, since it uses less digits than its factorization.

490415691 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5273321.

The product of its (nonzero) digits is 38880, while the sum is 39.

The square root of 490415691 is about 22145.3311332208. The cubic root of 490415691 is about 788.5963919197.

The spelling of 490415691 in words is "four hundred ninety million, four hundred fifteen thousand, six hundred ninety-one".