1491346 has 4 divisors (see below), whose sum is σ = 2237022. Its totient is φ = 745672.

The previous prime is 1491299. The next prime is 1491377. The reversal of 1491346 is 6431941.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6431941 = 89 ⋅72269.

It can be written as a sum of positive squares in only one way, i.e., 1022121 + 469225 = 1011^2 + 685^2 .

It is a super-2 number, since 2×1491346² = 4448225783432, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 372835 + ... + 372838.

2^1491346 is an apocalyptic number.

1491346 is a deficient number, since it is larger than the sum of its proper divisors (745676).

1491346 is an equidigital number, since it uses as much as digits as its factorization.

1491346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 745675.

The product of its digits is 2592, while the sum is 28.

The square root of 1491346 is about 1221.2067801974. The cubic root of 1491346 is about 114.2508582691.

The spelling of 1491346 in words is "one million, four hundred ninety-one thousand, three hundred forty-six".