490907390 has 16 divisors (see below), whose sum is σ = 883891008. Its totient is φ = 196305696.

The previous prime is 490907387. The next prime is 490907399. The reversal of 490907390 is 93709094.

It is a super-2 number, since 2×490907390² = 481980131113224200, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (490907399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52619 + ... + 61241.

It is an arithmetic number, because the mean of its divisors is an integer number (55243188).

Almost surely, 2^490907390 is an apocalyptic number.

490907390 is a deficient number, since it is larger than the sum of its proper divisors (392983618).

490907390 is a wasteful number, since it uses less digits than its factorization.

490907390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14323.

The product of its (nonzero) digits is 61236, while the sum is 41.

The square root of 490907390 is about 22156.4299922167. The cubic root of 490907390 is about 788.8598572122.

The spelling of 490907390 in words is "four hundred ninety million, nine hundred seven thousand, three hundred ninety".