402326 has 4 divisors (see below), whose sum is σ = 603492. Its totient is φ = 201162.

The previous prime is 402313. The next prime is 402329. The reversal of 402326 is 623204.

It is a semiprime because it is the product of two primes.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100580 + ... + 100583.

It is an arithmetic number, because the mean of its divisors is an integer number (150873).

2⁴⁰²³²⁶ is an apocalyptic number.

402326 is a deficient number, since it is larger than the sum of its proper divisors (201166).

402326 is a wasteful number, since it uses less digits than its factorization.

402326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201165.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 402326 is about 634.2917309882. The cubic root of 402326 is about 73.8231716566.

The spelling of 402326 in words is "four hundred two thousand, three hundred twenty-six".