1490709 has 16 divisors (see below), whose sum is σ = 2188800. Its totient is φ = 894960.

The previous prime is 1490701. The next prime is 1490711. The reversal of 1490709 is 9070941.

It is not a de Polignac number, because 1490709 - 2³ = 1490701 is a prime.

It is an Ulam number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1490701) 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 15 ways as a sum of consecutive naturals, for example, 6454 + ... + 6680.

It is an arithmetic number, because the mean of its divisors is an integer number (136800).

2^1490709 is an apocalyptic number.

It is an amenable number.

1490709 is a deficient number, since it is larger than the sum of its proper divisors (698091).

1490709 is a wasteful number, since it uses less digits than its factorization.

1490709 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 440.

The product of its (nonzero) digits is 2268, while the sum is 30.

The square root of 1490709 is about 1220.9459447494. The cubic root of 1490709 is about 114.2345892609.

The spelling of 1490709 in words is "one million, four hundred ninety thousand, seven hundred nine".