1490450 has 24 divisors (see below), whose sum is σ = 2986788. Its totient is φ = 550080.

The previous prime is 1490443. The next prime is 1490459. The reversal of 1490450 is 540941.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 165649 + 1324801 = 407^2 + 1151^2 .

It is not an unprimeable number, because it can be changed into a prime (1490459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 497 + ... + 1796.

2^1490450 is an apocalyptic number.

1490450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1490450 is an abundant number, since it is smaller than the sum of its proper divisors (1496338).

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

1490450 is a wasteful number, since it uses less digits than its factorization.

1490450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2318 (or 2313 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 1490450 is about 1220.8398748403. The cubic root of 1490450 is about 114.2279730641.

The spelling of 1490450 in words is "one million, four hundred ninety thousand, four hundred fifty".