1490747208 has 128 divisors (see below), whose sum is σ = 4015872000. Its totient is φ = 459993600.

The previous prime is 1490747197. The next prime is 1490747213. The reversal of 1490747208 is 8027470941.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1490747208.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4503603 + ... + 4503933.

It is an arithmetic number, because the mean of its divisors is an integer number (31374000).

Almost surely, 2^1490747208 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 1490747208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2007936000).

1490747208 is an abundant number, since it is smaller than the sum of its proper divisors (2525124792).

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

1490747208 is a wasteful number, since it uses less digits than its factorization.

1490747208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 603 (or 599 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 42.

The square root of 1490747208 is about 38610.1956482999. The cubic root of 1490747208 is about 1142.3556522557.

The spelling of 1490747208 in words is "one billion, four hundred ninety million, seven hundred forty-seven thousand, two hundred eight".