1490302408 has 16 divisors (see below), whose sum is σ = 3193505280. Its totient is φ = 638701008.

The previous prime is 1490302403. The next prime is 1490302427. The reversal of 1490302408 is 8042030941.

It is a self number, because there is not a number n which added to its sum of digits gives 1490302408.

It is not an unprimeable number, because it can be changed into a prime (1490302403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13306216 + ... + 13306327.

It is an arithmetic number, because the mean of its divisors is an integer number (199594080).

Almost surely, 2^1490302408 is an apocalyptic number.

It is an amenable number.

1490302408 is an abundant number, since it is smaller than the sum of its proper divisors (1703202872).

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

1490302408 is a wasteful number, since it uses less digits than its factorization.

1490302408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26612556 (or 26612552 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 1490302408 is about 38604.4350819954. The cubic root of 1490302408 is about 1142.2420245983.

The spelling of 1490302408 in words is "one billion, four hundred ninety million, three hundred two thousand, four hundred eight".