490493061 has 12 divisors (see below), whose sum is σ = 750166092. Its totient is φ = 307760256.

The previous prime is 490493057. The next prime is 490493071. The reversal of 490493061 is 160394094.

It can be written as a sum of positive squares in 2 ways, for example, as 357436836 + 133056225 = 18906^2 + 11535^2 .

It is not a de Polignac number, because 490493061 - 2² = 490493057 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (490493021) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1602766 + ... + 1603071.

It is an arithmetic number, because the mean of its divisors is an integer number (62513841).

Almost surely, 2^490493061 is an apocalyptic number.

It is an amenable number.

490493061 is a deficient number, since it is larger than the sum of its proper divisors (259673031).

490493061 is a wasteful number, since it uses less digits than its factorization.

490493061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3205860 (or 3205857 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 490493061 is about 22147.0779336688. The cubic root of 490493061 is about 788.6378604776.

The spelling of 490493061 in words is "four hundred ninety million, four hundred ninety-three thousand, sixty-one".