1491862 has 4 divisors (see below), whose sum is σ = 2237796. Its totient is φ = 745930.

The previous prime is 1491859. The next prime is 1491863. The reversal of 1491862 is 2681941.

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: 2681941 = 547 ⋅4903.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1491863) 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, 372964 + ... + 372967.

It is an arithmetic number, because the mean of its divisors is an integer number (559449).

2^1491862 is an apocalyptic number.

1491862 is a deficient number, since it is larger than the sum of its proper divisors (745934).

1491862 is an equidigital number, since it uses as much as digits as its factorization.

1491862 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 745933.

The product of its digits is 3456, while the sum is 31.

The square root of 1491862 is about 1221.4180283588. The cubic root of 1491862 is about 114.2640335361.

The spelling of 1491862 in words is "one million, four hundred ninety-one thousand, eight hundred sixty-two".