3398880385 has 4 divisors (see below), whose sum is σ = 4078656468. Its totient is φ = 2719104304.

The previous prime is 3398880383. The next prime is 3398880427. The reversal of 3398880385 is 5830888933.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5830888933 = 17117 ⋅340649.

It can be written as a sum of positive squares in 2 ways, for example, as 404492544 + 2994387841 = 20112^2 + 54721^2 .

It is a cyclic number.

It is not a de Polignac number, because 3398880385 - 2¹ = 3398880383 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3398880383) 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, 339888034 + ... + 339888043.

It is an arithmetic number, because the mean of its divisors is an integer number (1019664117).

Almost surely, 2^3398880385 is an apocalyptic number.

It is an amenable number.

3398880385 is a deficient number, since it is larger than the sum of its proper divisors (679776083).

3398880385 is an equidigital number, since it uses as much as digits as its factorization.

3398880385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 679776082.

The product of its (nonzero) digits is 4976640, while the sum is 55.

The square root of 3398880385 is about 58299.9175385352. The cubic root of 3398880385 is about 1503.5295232778.

The spelling of 3398880385 in words is "three billion, three hundred ninety-eight million, eight hundred eighty thousand, three hundred eighty-five".