1491386 has 16 divisors (see below), whose sum is σ = 2536800. Its totient is φ = 651888.

The previous prime is 1491377. The next prime is 1491401. The reversal of 1491386 is 6831941.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1016 + ... + 2003.

It is an arithmetic number, because the mean of its divisors is an integer number (158550).

2^1491386 is an apocalyptic number.

1491386 is a deficient number, since it is larger than the sum of its proper divisors (1045414).

1491386 is a wasteful number, since it uses less digits than its factorization.

1491386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3053.

The product of its digits is 5184, while the sum is 32.

The square root of 1491386 is about 1221.2231573304. The cubic root of 1491386 is about 114.2518797163.

The spelling of 1491386 in words is "one million, four hundred ninety-one thousand, three hundred eighty-six".