1540996 has 6 divisors (see below), whose sum is σ = 2696750. Its totient is φ = 770496.

The previous prime is 1540969. The next prime is 1540997. The reversal of 1540996 is 6990451.

It can be written as a sum of positive squares in only one way, i.e., 835396 + 705600 = 914^2 + 840^2 .

It is not an unprimeable number, because it can be changed into a prime (1540997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 192621 + ... + 192628.

2^1540996 is an apocalyptic number.

It is an amenable number.

1540996 is a deficient number, since it is larger than the sum of its proper divisors (1155754).

1540996 is a wasteful number, since it uses less digits than its factorization.

1540996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 385253 (or 385251 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 34.

The square root of 1540996 is about 1241.3685995707. The cubic root of 1540996 is about 115.5049253598.

The spelling of 1540996 in words is "one million, five hundred forty thousand, nine hundred ninety-six".