1490749 has 6 divisors (see below), whose sum is σ = 1614426. Its totient is φ = 1375920.

The previous prime is 1490743. The next prime is 1490773. The reversal of 1490749 is 9470941.

It can be written as a sum of positive squares in 3 ways, for example, as 7225 + 1483524 = 85^2 + 1218^2 .

It is not a de Polignac number, because 1490749 - 2⁵ = 1490717 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1490743) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4242 + ... + 4579.

It is an arithmetic number, because the mean of its divisors is an integer number (269071).

2^1490749 is an apocalyptic number.

It is an amenable number.

1490749 is a deficient number, since it is larger than the sum of its proper divisors (123677).

1490749 is an equidigital number, since it uses as much as digits as its factorization.

1490749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8847 (or 8834 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 1490749 is about 1220.9623253811. The cubic root of 1490749 is about 114.2356109991.

The spelling of 1490749 in words is "one million, four hundred ninety thousand, seven hundred forty-nine".