1490849 has 4 divisors (see below), whose sum is σ = 1578564. Its totient is φ = 1403136.

The previous prime is 1490843. The next prime is 1490869. The reversal of 1490849 is 9480941.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1380625 + 110224 = 1175^2 + 332^2 .

It is a cyclic number.

It is not a de Polignac number, because 1490849 - 2⁴ = 1490833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1490843) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 43832 + ... + 43865.

It is an arithmetic number, because the mean of its divisors is an integer number (394641).

2^1490849 is an apocalyptic number.

It is an amenable number.

1490849 is a deficient number, since it is larger than the sum of its proper divisors (87715).

1490849 is an equidigital number, since it uses as much as digits as its factorization.

1490849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87714.

The product of its (nonzero) digits is 10368, while the sum is 35.

The square root of 1490849 is about 1221.0032759989. The cubic root of 1490849 is about 114.2381652644.

The spelling of 1490849 in words is "one million, four hundred ninety thousand, eight hundred forty-nine".