1492609 has 4 divisors (see below), whose sum is σ = 1517140. Its totient is φ = 1468080.

The previous prime is 1492607. The next prime is 1492627. The reversal of 1492609 is 9062941.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9062941 = 337 ⋅26893.

It can be written as a sum of positive squares in 2 ways, for example, as 119025 + 1373584 = 345^2 + 1172^2 .

It is a cyclic number.

It is not a de Polignac number, because 1492609 - 2¹ = 1492607 is a prime.

It is a Duffinian number.

1492609 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1492607) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12174 + ... + 12295.

It is an arithmetic number, because the mean of its divisors is an integer number (379285).

2^1492609 is an apocalyptic number.

It is an amenable number.

1492609 is a deficient number, since it is larger than the sum of its proper divisors (24531).

1492609 is an equidigital number, since it uses as much as digits as its factorization.

1492609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24530.

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 1492609 is about 1221.7237822028. The cubic root of 1492609 is about 114.2831016516.

The spelling of 1492609 in words is "one million, four hundred ninety-two thousand, six hundred nine".