3874565 has 8 divisors (see below), whose sum is σ = 4737528. Its totient is φ = 3040960.

The previous prime is 3874561. The next prime is 3874571. The reversal of 3874565 is 5654783.

3874565 is nontrivially palindromic in base 11.

It can be written as a sum of positive squares in 4 ways, for example, as 9409 + 3865156 = 97^2 + 1966^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3874565 - 2² = 3874561 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3874561) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7046 + ... + 7575.

It is an arithmetic number, because the mean of its divisors is an integer number (592191).

Almost surely, 2^3874565 is an apocalyptic number.

It is an amenable number.

3874565 is a deficient number, since it is larger than the sum of its proper divisors (862963).

3874565 is a wasteful number, since it uses less digits than its factorization.

3874565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14679.

The product of its digits is 100800, while the sum is 38.

The square root of 3874565 is about 1968.3914752914. The cubic root of 3874565 is about 157.0631549778.

The spelling of 3874565 in words is "three million, eight hundred seventy-four thousand, five hundred sixty-five".