4386861 has 6 divisors (see below), whose sum is σ = 6336590. Its totient is φ = 2924568.

The previous prime is 4386857. The next prime is 4386869. The reversal of 4386861 is 1686834.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 4384836 + 2025 = 2094^2 + 45^2 .

It is not a de Polignac number, because 4386861 - 2² = 4386857 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4386869) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 243706 + ... + 243723.

Almost surely, 2^4386861 is an apocalyptic number.

It is an amenable number.

4386861 is a deficient number, since it is larger than the sum of its proper divisors (1949729).

4386861 is a wasteful number, since it uses less digits than its factorization.

4386861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 487435 (or 487432 counting only the distinct ones).

The product of its digits is 27648, while the sum is 36.

The square root of 4386861 is about 2094.4834685430. The cubic root of 4386861 is about 163.7009844944.

The spelling of 4386861 in words is "four million, three hundred eighty-six thousand, eight hundred sixty-one".