490670136 has 160 divisors (see below), whose sum is σ = 1578614400. Its totient is φ = 140823360.

The previous prime is 490670101. The next prime is 490670171. The reversal of 490670136 is 631076094.

It is an interprime number because it is at equal distance from previous prime (490670101) and next prime (490670171).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 490670136.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 133621 + ... + 137243.

It is an arithmetic number, because the mean of its divisors is an integer number (9866340).

Almost surely, 2^490670136 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 490670136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (789307200).

490670136 is an abundant number, since it is smaller than the sum of its proper divisors (1087944264).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

490670136 is a wasteful number, since it uses less digits than its factorization.

490670136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3671 (or 3658 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 490670136 is about 22151.0752786405. The cubic root of 490670136 is about 788.7327522363.

The spelling of 490670136 in words is "four hundred ninety million, six hundred seventy thousand, one hundred thirty-six".