3890755 has 24 divisors (see below), whose sum is σ = 5266800. Its totient is φ = 2756160.

The previous prime is 3890753. The next prime is 3890759. The reversal of 3890755 is 5570983.

It is not a de Polignac number, because 3890755 - 2¹ = 3890753 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3890753) 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 23 ways as a sum of consecutive naturals, for example, 35641 + ... + 35749.

It is an arithmetic number, because the mean of its divisors is an integer number (219450).

Almost surely, 2^3890755 is an apocalyptic number.

3890755 is a deficient number, since it is larger than the sum of its proper divisors (1376045).

3890755 is a wasteful number, since it uses less digits than its factorization.

3890755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195 (or 184 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 37.

The square root of 3890755 is about 1972.4996831432. The cubic root of 3890755 is about 157.2816155344.

The spelling of 3890755 in words is "three million, eight hundred ninety thousand, seven hundred fifty-five".