3385076821 has 8 divisors (see below), whose sum is σ = 3869412800. Its totient is φ = 2900929248.

The previous prime is 3385076813. The next prime is 3385076887. The reversal of 3385076821 is 1286705833.

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

It is not a de Polignac number, because 3385076821 - 2³ = 3385076813 is a prime.

It is a super-2 number, since 2×3385076821² = 22917490168142932082, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3385076801) 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, 6231 + ... + 82516.

It is an arithmetic number, because the mean of its divisors is an integer number (483676600).

Almost surely, 2^3385076821 is an apocalyptic number.

It is an amenable number.

3385076821 is a deficient number, since it is larger than the sum of its proper divisors (484335979).

3385076821 is an equidigital number, since it uses as much as digits as its factorization.

3385076821 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94203.

The product of its (nonzero) digits is 241920, while the sum is 43.

The square root of 3385076821 is about 58181.4130199671. The cubic root of 3385076821 is about 1501.4913790713.

The spelling of 3385076821 in words is "three billion, three hundred eighty-five million, seventy-six thousand, eight hundred twenty-one".