3861495 has 48 divisors (see below), whose sum is σ = 7581600. Its totient is φ = 1800960.

The previous prime is 3861463. The next prime is 3861521. The reversal of 3861495 is 5941683.

3861495 is a `hidden beast` number, since 38 + 614 + 9 + 5 = 666.

It is not a de Polignac number, because 3861495 - 2⁵ = 3861463 is a prime.

It is a super-2 number, since 2×3861495² = 29822287270050, which contains 22 as substring.

Its product of digits (25920) is a multiple of the sum of its prime factors (320).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 14221 + ... + 14489.

It is an arithmetic number, because the mean of its divisors is an integer number (157950).

Almost surely, 2^3861495 is an apocalyptic number.

3861495 is a deficient number, since it is larger than the sum of its proper divisors (3720105).

3861495 is a wasteful number, since it uses less digits than its factorization.

3861495 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320 (or 317 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The square root of 3861495 is about 1965.0687010891. The cubic root of 3861495 is about 156.8863499246.

It can be divided in two parts, 3861 and 495, that added together give a square (4356 = 66²).

The spelling of 3861495 in words is "three million, eight hundred sixty-one thousand, four hundred ninety-five".