490870061 has 8 divisors (see below), whose sum is σ = 535797504. Its totient is φ = 445993120.

The previous prime is 490870057. The next prime is 490870063. The reversal of 490870061 is 160078094.

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 490870061 - 2² = 490870057 is a prime.

It is a super-2 number, since 2×490870061² = 481906833572287442, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (490870063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9380 + ... + 32706.

It is an arithmetic number, because the mean of its divisors is an integer number (66974688).

Almost surely, 2^490870061 is an apocalyptic number.

It is an amenable number.

490870061 is a deficient number, since it is larger than the sum of its proper divisors (44927443).

490870061 is a wasteful number, since it uses less digits than its factorization.

490870061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25251.

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 490870061 is about 22155.5875796604. The cubic root of 490870061 is about 788.8398615222.

The spelling of 490870061 in words is "four hundred ninety million, eight hundred seventy thousand, sixty-one".