3799840505 has 4 divisors (see below), whose sum is σ = 4559808612. Its totient is φ = 3039872400.

The previous prime is 3799840501. The next prime is 3799840529. The reversal of 3799840505 is 5050489973.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5050489973 = 37 ⋅136499729.

It can be written as a sum of positive squares in 2 ways, for example, as 1932217849 + 1867622656 = 43957^2 + 43216^2 .

It is not a de Polignac number, because 3799840505 - 2² = 3799840501 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3799840501) 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, 379984046 + ... + 379984055.

It is an arithmetic number, because the mean of its divisors is an integer number (1139952153).

Almost surely, 2^3799840505 is an apocalyptic number.

It is an amenable number.

3799840505 is a deficient number, since it is larger than the sum of its proper divisors (759968107).

3799840505 is an equidigital number, since it uses as much as digits as its factorization.

3799840505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 759968106.

The product of its (nonzero) digits is 1360800, while the sum is 50.

The square root of 3799840505 is about 61642.8463408367. The cubic root of 3799840505 is about 1560.4689179049.

The spelling of 3799840505 in words is "three billion, seven hundred ninety-nine million, eight hundred forty thousand, five hundred five".