1491356 has 6 divisors (see below), whose sum is σ = 2609880. Its totient is φ = 745676.

The previous prime is 1491299. The next prime is 1491377. The reversal of 1491356 is 6531941.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 186416 + ... + 186423.

It is an arithmetic number, because the mean of its divisors is an integer number (434980).

2^1491356 is an apocalyptic number.

It is an amenable number.

1491356 is a deficient number, since it is larger than the sum of its proper divisors (1118524).

1491356 is a wasteful number, since it uses less digits than its factorization.

1491356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 372843 (or 372841 counting only the distinct ones).

The product of its digits is 3240, while the sum is 29.

The square root of 1491356 is about 1221.2108745012. The cubic root of 1491356 is about 114.2511136327.

The spelling of 1491356 in words is "one million, four hundred ninety-one thousand, three hundred fifty-six".