490743393 has 16 divisors (see below), whose sum is σ = 756811776. Its totient is φ = 277045200.

The previous prime is 490743373. The next prime is 490743493. The reversal of 490743393 is 393347094.

It is not a de Polignac number, because 490743393 - 2¹⁶ = 490677857 is a prime.

It is not an unprimeable number, because it can be changed into a prime (490743373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 139033 + ... + 142518.

It is an arithmetic number, because the mean of its divisors is an integer number (47300736).

Almost surely, 2^490743393 is an apocalyptic number.

It is an amenable number.

490743393 is a deficient number, since it is larger than the sum of its proper divisors (266068383).

490743393 is a wasteful number, since it uses less digits than its factorization.

490743393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281644.

The product of its (nonzero) digits is 244944, while the sum is 42.

The square root of 490743393 is about 22152.7287935369. The cubic root of 490743393 is about 788.7720028555.

The spelling of 490743393 in words is "four hundred ninety million, seven hundred forty-three thousand, three hundred ninety-three".