3986461 has 4 divisors (see below), whose sum is σ = 4017024. Its totient is φ = 3955900.

The previous prime is 3986459. The next prime is 3986467. The reversal of 3986461 is 1646893.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3986461 - 2¹ = 3986459 is a prime.

It is a Duffinian number.

3986461 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 3986461.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3986467) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15085 + ... + 15346.

It is an arithmetic number, because the mean of its divisors is an integer number (1004256).

Almost surely, 2^3986461 is an apocalyptic number.

It is an amenable number.

3986461 is a deficient number, since it is larger than the sum of its proper divisors (30563).

3986461 is a wasteful number, since it uses less digits than its factorization.

3986461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30562.

The product of its digits is 31104, while the sum is 37.

The square root of 3986461 is about 1996.6123810094. The cubic root of 3986461 is about 158.5608042244.

It can be divided in two parts, 398 and 6461, that added together give a cube (6859 = 19³).

The spelling of 3986461 in words is "three million, nine hundred eighty-six thousand, four hundred sixty-one".