3880345 has 16 divisors (see below), whose sum is σ = 5506560. Its totient is φ = 2568384.

The previous prime is 3880343. The next prime is 3880361. The reversal of 3880345 is 5430883.

It is not a de Polignac number, because 3880345 - 2¹ = 3880343 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3880343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 897 + ... + 2926.

It is an arithmetic number, because the mean of its divisors is an integer number (344160).

Almost surely, 2^3880345 is an apocalyptic number.

3880345 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3880345 is a deficient number, since it is larger than the sum of its proper divisors (1626215).

3880345 is a wasteful number, since it uses less digits than its factorization.

3880345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3864.

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 3880345 is about 1969.8591320193. The cubic root of 3880345 is about 157.1412174170.

It can be divided in two parts, 3880 and 345, that added together give a square (4225 = 65²).

The spelling of 3880345 in words is "three million, eight hundred eighty thousand, three hundred forty-five".