3388040785 has 4 divisors (see below), whose sum is σ = 4065648948. Its totient is φ = 2710432624.

The previous prime is 3388040771. The next prime is 3388040801. The reversal of 3388040785 is 5870408833.

3388040785 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 447364801 + 2940675984 = 21151^2 + 54228^2 .

It is a cyclic number.

It is not a de Polignac number, because 3388040785 - 2⁹ = 3388040273 is a prime.

It is a super-2 number, since 2×3388040785² = 22957640721646832450, which contains 22 as substring.

It is a Duffinian 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, 338804074 + ... + 338804083.

It is an arithmetic number, because the mean of its divisors is an integer number (1016412237).

Almost surely, 2^3388040785 is an apocalyptic number.

It is an amenable number.

3388040785 is a deficient number, since it is larger than the sum of its proper divisors (677608163).

3388040785 is an equidigital number, since it uses as much as digits as its factorization.

3388040785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 677608162.

The product of its (nonzero) digits is 645120, while the sum is 46.

The square root of 3388040785 is about 58206.8791896628. The cubic root of 3388040785 is about 1501.9294851420.

The spelling of 3388040785 in words is "three billion, three hundred eighty-eight million, forty thousand, seven hundred eighty-five".