403426 has 8 divisors (see below), whose sum is σ = 619344. Its totient is φ = 196980.

The previous prime is 403391. The next prime is 403433. The reversal of 403426 is 624304.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2260 + ... + 2431.

It is an arithmetic number, because the mean of its divisors is an integer number (77418).

2⁴⁰³⁴²⁶ is an apocalyptic number.

403426 is a deficient number, since it is larger than the sum of its proper divisors (215918).

403426 is a wasteful number, since it uses less digits than its factorization.

403426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4736.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 403426 is about 635.1582479981. The cubic root of 403426 is about 73.8903904402.

The spelling of 403426 in words is "four hundred three thousand, four hundred twenty-six".