1490490 has 24 divisors (see below), whose sum is σ = 3875508. Its totient is φ = 397440.

The previous prime is 1490479. The next prime is 1490507. The reversal of 1490490 is 940941.

It can be written as a sum of positive squares in 2 ways, for example, as 1306449 + 184041 = 1143^2 + 429^2 .

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8191 + ... + 8370.

2^1490490 is an apocalyptic number.

1490490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1490490 is an abundant number, since it is smaller than the sum of its proper divisors (2385018).

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

1490490 is a wasteful number, since it uses less digits than its factorization.

1490490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16574 (or 16571 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 1490490 is about 1220.8562568951. The cubic root of 1490490 is about 114.2289949206.

The spelling of 1490490 in words is "one million, four hundred ninety thousand, four hundred ninety".