1491976 has 16 divisors (see below), whose sum is σ = 2811600. Its totient is φ = 742224.

The previous prime is 1491967. The next prime is 1491977. The reversal of 1491976 is 6791941.

It is not an unprimeable number, because it can be changed into a prime (1491977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1935 + ... + 2593.

It is an arithmetic number, because the mean of its divisors is an integer number (175725).

2^1491976 is an apocalyptic number.

It is an amenable number.

1491976 is a deficient number, since it is larger than the sum of its proper divisors (1319624).

1491976 is a wasteful number, since it uses less digits than its factorization.

1491976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 948 (or 944 counting only the distinct ones).

The product of its digits is 13608, while the sum is 37.

The square root of 1491976 is about 1221.4646945368. The cubic root of 1491976 is about 114.2669439411.

The spelling of 1491976 in words is "one million, four hundred ninety-one thousand, nine hundred seventy-six".