403846 has 4 divisors (see below), whose sum is σ = 605772. Its totient is φ = 201922.

The previous prime is 403831. The next prime is 403849. The reversal of 403846 is 648304.

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

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 403846.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (403849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100960 + ... + 100963.

It is an arithmetic number, because the mean of its divisors is an integer number (151443).

2⁴⁰³⁸⁴⁶ is an apocalyptic number.

403846 is a deficient number, since it is larger than the sum of its proper divisors (201926).

403846 is a wasteful number, since it uses less digits than its factorization.

403846 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201925.

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 403846 is about 635.4887882567. The cubic root of 403846 is about 73.9160235597.

The spelling of 403846 in words is "four hundred three thousand, eight hundred forty-six".