403950 has 24 divisors (see below), whose sum is σ = 1002168. Its totient is φ = 107680.

The previous prime is 403933. The next prime is 403951. The reversal of 403950 is 59304.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (403951) by changing a digit.

403950 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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 11 ways as a sum of consecutive naturals, for example, 1197 + ... + 1496.

It is an arithmetic number, because the mean of its divisors is an integer number (41757).

2⁴⁰³⁹⁵⁰ is an apocalyptic number.

403950 is an abundant number, since it is smaller than the sum of its proper divisors (598218).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

403950 is a wasteful number, since it uses less digits than its factorization.

403950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2708 (or 2703 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 403950 is about 635.5706097673. The cubic root of 403950 is about 73.9223680629.

The spelling of 403950 in words is "four hundred three thousand, nine hundred fifty".