403496 has 16 divisors (see below), whose sum is σ = 781440. Its totient is φ = 195120.

The previous prime is 403483. The next prime is 403499. The reversal of 403496 is 694304.

It is a Smith number, since the sum of its digits (26) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (403499) by changing a digit.

403496 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 566 + ... + 1061.

It is an arithmetic number, because the mean of its divisors is an integer number (48840).

2⁴⁰³⁴⁹⁶ is an apocalyptic number.

It is an amenable number.

403496 is a deficient number, since it is larger than the sum of its proper divisors (377944).

403496 is a wasteful number, since it uses less digits than its factorization.

403496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1664 (or 1660 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 403496 is about 635.2133499857. The cubic root of 403496 is about 73.8946638619.

The spelling of 403496 in words is "four hundred three thousand, four hundred ninety-six".