490371387 has 16 divisors (see below), whose sum is σ = 721865088. Its totient is φ = 293612480.

The previous prime is 490371379. The next prime is 490371391. The reversal of 490371387 is 783173094.

It is a cyclic number.

It is not a de Polignac number, because 490371387 - 2³ = 490371379 is a prime.

It is not an unprimeable number, because it can be changed into a prime (490371347) 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, 86778 + ... + 92255.

It is an arithmetic number, because the mean of its divisors is an integer number (45116568).

Almost surely, 2^490371387 is an apocalyptic number.

490371387 is a deficient number, since it is larger than the sum of its proper divisors (231493701).

490371387 is a wasteful number, since it uses less digits than its factorization.

490371387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179130.

The product of its (nonzero) digits is 127008, while the sum is 42.

The square root of 490371387 is about 22144.3308094871. The cubic root of 490371387 is about 788.5726440208.

The spelling of 490371387 in words is "four hundred ninety million, three hundred seventy-one thousand, three hundred eighty-seven".