490376261 has 8 divisors (see below), whose sum is σ = 511987200. Its totient is φ = 468789552.

The previous prime is 490376251. The next prime is 490376287. The reversal of 490376261 is 162673094.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-490376261 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 (490376221) 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, 44315 + ... + 54263.

It is an arithmetic number, because the mean of its divisors is an integer number (63998400).

Almost surely, 2^490376261 is an apocalyptic number.

It is an amenable number.

490376261 is a deficient number, since it is larger than the sum of its proper divisors (21610939).

490376261 is a wasteful number, since it uses less digits than its factorization.

490376261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12115.

The product of its (nonzero) digits is 54432, while the sum is 38.

The square root of 490376261 is about 22144.4408599540. The cubic root of 490376261 is about 788.5752566599.

The spelling of 490376261 in words is "four hundred ninety million, three hundred seventy-six thousand, two hundred sixty-one".