3974565 has 16 divisors (see below), whose sum is σ = 7267968. Its totient is φ = 1816896.

The previous prime is 3974563. The next prime is 3974567. The reversal of 3974565 is 5654793.

3974565 is nontrivially palindromic in base 14.

It is an interprime number because it is at equal distance from previous prime (3974563) and next prime (3974567).

It is not a de Polignac number, because 3974565 - 2¹ = 3974563 is a prime.

It is a d-powerful number, because it can be written as 3⁴ + 9² + 7⁴ + 4⁸ + 5⁹ + 6³ + 5⁹ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3974563) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18822 + ... + 19031.

It is an arithmetic number, because the mean of its divisors is an integer number (454248).

Almost surely, 2^3974565 is an apocalyptic number.

3974565 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3974565 is a deficient number, since it is larger than the sum of its proper divisors (3293403).

3974565 is a wasteful number, since it uses less digits than its factorization.

3974565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37868.

The product of its digits is 113400, while the sum is 39.

The square root of 3974565 is about 1993.6311093078. The cubic root of 3974565 is about 158.4029266243.

The spelling of 3974565 in words is "three million, nine hundred seventy-four thousand, five hundred sixty-five".