1491832 has 8 divisors (see below), whose sum is σ = 2797200. Its totient is φ = 745912.

The previous prime is 1491821. The next prime is 1491839. The reversal of 1491832 is 2381941.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 1491832.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1491839) by changing a digit.

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 as a sum of consecutive naturals, namely, 93232 + ... + 93247.

It is an arithmetic number, because the mean of its divisors is an integer number (349650).

2^1491832 is an apocalyptic number.

It is an amenable number.

1491832 is a deficient number, since it is larger than the sum of its proper divisors (1305368).

1491832 is a wasteful number, since it uses less digits than its factorization.

1491832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186485 (or 186481 counting only the distinct ones).

The product of its digits is 1728, while the sum is 28.

The square root of 1491832 is about 1221.4057474893. The cubic root of 1491832 is about 114.2632676154.

The spelling of 1491832 in words is "one million, four hundred ninety-one thousand, eight hundred thirty-two".