490328391 has 16 divisors (see below), whose sum is σ = 747604224. Its totient is φ = 280023744.

The previous prime is 490328381. The next prime is 490328401. The reversal of 490328391 is 193823094.

It is an interprime number because it is at equal distance from previous prime (490328381) and next prime (490328401).

It is not a de Polignac number, because 490328391 - 2¹³ = 490320199 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (490328351) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36235 + ... + 47891.

It is an arithmetic number, because the mean of its divisors is an integer number (46725264).

Almost surely, 2^490328391 is an apocalyptic number.

490328391 is a deficient number, since it is larger than the sum of its proper divisors (257275833).

490328391 is a wasteful number, since it uses less digits than its factorization.

490328391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13670.

The product of its (nonzero) digits is 46656, while the sum is 39.

The square root of 490328391 is about 22143.3599753967. The cubic root of 490328391 is about 788.5495958704.

The spelling of 490328391 in words is "four hundred ninety million, three hundred twenty-eight thousand, three hundred ninety-one".