490950691 has 8 divisors (see below), whose sum is σ = 612094464. Its totient is φ = 382558920.

The previous prime is 490950661. The next prime is 490950703. The reversal of 490950691 is 196059094.

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 490950691 - 2⁷ = 490950563 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (490950661) 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, 3187915 + ... + 3188068.

It is an arithmetic number, because the mean of its divisors is an integer number (76511808).

Almost surely, 2^490950691 is an apocalyptic number.

490950691 is a deficient number, since it is larger than the sum of its proper divisors (121143773).

490950691 is a wasteful number, since it uses less digits than its factorization.

490950691 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6376001.

The product of its (nonzero) digits is 87480, while the sum is 43.

The square root of 490950691 is about 22157.4071362152. The cubic root of 490950691 is about 788.8830506000.

The spelling of 490950691 in words is "four hundred ninety million, nine hundred fifty thousand, six hundred ninety-one".