3974455 has 16 divisors (see below), whose sum is σ = 4937184. Its totient is φ = 3070080.

The previous prime is 3974441. The next prime is 3974459. The reversal of 3974455 is 5544793.

It is not a de Polignac number, because 3974455 - 2⁹ = 3973943 is a prime.

It is a d-powerful number, because it can be written as 3⁵ + 9 + 7⁴ + 4² + 4⁸ + 5⁹ + 5⁹ .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3974459) 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, 25237 + ... + 25393.

It is an arithmetic number, because the mean of its divisors is an integer number (308574).

Almost surely, 2^3974455 is an apocalyptic number.

3974455 is a deficient number, since it is larger than the sum of its proper divisors (962729).

3974455 is a wasteful number, since it uses less digits than its factorization.

3974455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306.

The product of its digits is 75600, while the sum is 37.

The square root of 3974455 is about 1993.6035212649. The cubic root of 3974455 is about 158.4014652919.

The spelling of 3974455 in words is "three million, nine hundred seventy-four thousand, four hundred fifty-five".