2385906403 has 4 divisors (see below), whose sum is σ = 2489641488. Its totient is φ = 2282171320.

The previous prime is 2385906349. The next prime is 2385906433. The reversal of 2385906403 is 3046095832.

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

It is not a de Polignac number, because 2385906403 - 2²⁹ = 1849035491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2385906433) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51867508 + ... + 51867553.

It is an arithmetic number, because the mean of its divisors is an integer number (622410372).

Almost surely, 2^2385906403 is an apocalyptic number.

2385906403 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

2385906403 is a deficient number, since it is larger than the sum of its proper divisors (103735085).

2385906403 is a wasteful number, since it uses less digits than its factorization.

2385906403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103735084.

The product of its (nonzero) digits is 155520, while the sum is 40.

The square root of 2385906403 is about 48845.7408890478. The cubic root of 2385906403 is about 1336.2399983208.

The spelling of 2385906403 in words is "two billion, three hundred eighty-five million, nine hundred six thousand, four hundred three".