403427 has 8 divisors (see below), whose sum is σ = 450000. Its totient is φ = 359424.

The previous prime is 403391. The next prime is 403433. The reversal of 403427 is 724304.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 403427 - 2⁶ = 403363 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 403399 and 403408.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 403427.

It is not an unprimeable number, because it can be changed into a prime (403327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 302 + ... + 947.

It is an arithmetic number, because the mean of its divisors is an integer number (56250).

2⁴⁰³⁴²⁷ is an apocalyptic number.

403427 is a deficient number, since it is larger than the sum of its proper divisors (46573).

403427 is a wasteful number, since it uses less digits than its factorization.

403427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1285.

The product of its (nonzero) digits is 672, while the sum is 20.

The square root of 403427 is about 635.1590352030. The cubic root of 403427 is about 73.8904514926.

The spelling of 403427 in words is "four hundred three thousand, four hundred twenty-seven", and thus it is an iban number.