1491244 has 12 divisors (see below), whose sum is σ = 2645944. Its totient is φ = 735264.

The previous prime is 1491241. The next prime is 1491247. The reversal of 1491244 is 4421941.

It is an interprime number because it is at equal distance from previous prime (1491241) and next prime (1491247).

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (1491241) 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, 2262 + ... + 2845.

2^1491244 is an apocalyptic number.

It is an amenable number.

1491244 is a deficient number, since it is larger than the sum of its proper divisors (1154700).

1491244 is a wasteful number, since it uses less digits than its factorization.

1491244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5184 (or 5182 counting only the distinct ones).

The product of its digits is 1152, while the sum is 25.

The square root of 1491244 is about 1221.1650175140. The cubic root of 1491244 is about 114.2482534962.

The spelling of 1491244 in words is "one million, four hundred ninety-one thousand, two hundred forty-four".