3975455 has 12 divisors (see below), whose sum is σ = 5244456. Its totient is φ = 2890800.

The previous prime is 3975449. The next prime is 3975463. The reversal of 3975455 is 5545793.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-3975455 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 2681 + ... + 3890.

It is an arithmetic number, because the mean of its divisors is an integer number (437038).

Almost surely, 2^3975455 is an apocalyptic number.

3975455 is a deficient number, since it is larger than the sum of its proper divisors (1269001).

3975455 is a wasteful number, since it uses less digits than its factorization.

3975455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6598 (or 6587 counting only the distinct ones).

The product of its digits is 94500, while the sum is 38.

The square root of 3975455 is about 1993.8543076163. The cubic root of 3975455 is about 158.4147491410.

The spelling of 3975455 in words is "three million, nine hundred seventy-five thousand, four hundred fifty-five".