3345648387 has 4 divisors (see below), whose sum is σ = 4460864520. Its totient is φ = 2230432256.

The previous prime is 3345648311. The next prime is 3345648401. The reversal of 3345648387 is 7838465433.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7838465433 = 3 ⋅2612821811.

It is a cyclic number.

It is not a de Polignac number, because 3345648387 - 2¹⁰ = 3345647363 is a prime.

It is a super-2 number, since 2×3345648387² = 22386726258871403538, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3345648487) 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, 557608062 + ... + 557608067.

It is an arithmetic number, because the mean of its divisors is an integer number (1115216130).

Almost surely, 2^3345648387 is an apocalyptic number.

3345648387 is a deficient number, since it is larger than the sum of its proper divisors (1115216133).

3345648387 is a wasteful number, since it uses less digits than its factorization.

3345648387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1115216132.

The product of its digits is 5806080, while the sum is 51.

The square root of 3345648387 is about 57841.5800873386. The cubic root of 3345648387 is about 1495.6389459818.

The spelling of 3345648387 in words is "three billion, three hundred forty-five million, six hundred forty-eight thousand, three hundred eighty-seven".