403540996 has 12 divisors (see below), whose sum is σ = 716143680. Its totient is φ = 198928520.

The previous prime is 403540961. The next prime is 403540997. The reversal of 403540996 is 699045304.

It is not an unprimeable number, because it can be changed into a prime (403540997) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 710176 + ... + 710743.

It is an arithmetic number, because the mean of its divisors is an integer number (59678640).

Almost surely, 2^403540996 is an apocalyptic number.

It is an amenable number.

403540996 is a deficient number, since it is larger than the sum of its proper divisors (312602684).

403540996 is a wasteful number, since it uses less digits than its factorization.

403540996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1420994 (or 1420992 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 40.

The square root of 403540996 is about 20088.3298459578. The cubic root of 403540996 is about 738.9741055636.

The spelling of 403540996 in words is "four hundred three million, five hundred forty thousand, nine hundred ninety-six".