405050403 has 8 divisors (see below), whose sum is σ = 543644416. Its totient is φ = 268245000.

The previous prime is 405050383. The next prime is 405050407. The reversal of 405050403 is 304050504.

It is a happy number.

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

It is not a de Polignac number, because 405050403 - 2⁶ = 405050339 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 405050403.

It is not an unprimeable number, because it can be changed into a prime (405050407) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 446623 + ... + 447528.

It is an arithmetic number, because the mean of its divisors is an integer number (67955552).

Almost surely, 2^405050403 is an apocalyptic number.

405050403 is a deficient number, since it is larger than the sum of its proper divisors (138594013).

405050403 is a wasteful number, since it uses less digits than its factorization.

405050403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 894305.

The product of its (nonzero) digits is 1200, while the sum is 21.

The square root of 405050403 is about 20125.8640311416. The cubic root of 405050403 is about 739.8943134920.

The spelling of 405050403 in words is "four hundred five million, fifty thousand, four hundred three".