403849255 has 4 divisors (see below), whose sum is σ = 484619112. Its totient is φ = 323079400.

The previous prime is 403849247. The next prime is 403849261. The reversal of 403849255 is 552948304.

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

It is not a de Polignac number, because 403849255 - 2³ = 403849247 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40384921 + ... + 40384930.

It is an arithmetic number, because the mean of its divisors is an integer number (121154778).

Almost surely, 2^403849255 is an apocalyptic number.

403849255 is a deficient number, since it is larger than the sum of its proper divisors (80769857).

403849255 is an equidigital number, since it uses as much as digits as its factorization.

403849255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80769856.

The product of its (nonzero) digits is 172800, while the sum is 40.

The square root of 403849255 is about 20096.0009703423. Note that the first 3 decimals coincide. The cubic root of 403849255 is about 739.1622214696.

The spelling of 403849255 in words is "four hundred three million, eight hundred forty-nine thousand, two hundred fifty-five".