403349 has 4 divisors (see below), whose sum is σ = 406560. Its totient is φ = 400140.

The previous prime is 403339. The next prime is 403363. The reversal of 403349 is 943304.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-403349 is a prime.

It is a Duffinian number.

It is a plaindrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (403309) 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, 1409 + ... + 1670.

It is an arithmetic number, because the mean of its divisors is an integer number (101640).

2⁴⁰³³⁴⁹ is an apocalyptic number.

It is an amenable number.

403349 is a deficient number, since it is larger than the sum of its proper divisors (3211).

403349 is a wasteful number, since it uses less digits than its factorization.

403349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3210.

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 403349 is about 635.0976302900. The cubic root of 403349 is about 73.8856891054.

The spelling of 403349 in words is "four hundred three thousand, three hundred forty-nine".