3895651 has 4 divisors (see below), whose sum is σ = 3901072. Its totient is φ = 3890232.

The previous prime is 3895603. The next prime is 3895667. The reversal of 3895651 is 1565983.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1565983 = 1213 ⋅1291.

It is a cyclic number.

It is not a de Polignac number, because 3895651 - 2⁹ = 3895139 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3895651.

It is not an unprimeable number, because it can be changed into a prime (3895681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1431 + ... + 3136.

It is an arithmetic number, because the mean of its divisors is an integer number (975268).

Almost surely, 2^3895651 is an apocalyptic number.

3895651 is a deficient number, since it is larger than the sum of its proper divisors (5421).

3895651 is an equidigital number, since it uses as much as digits as its factorization.

3895651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5420.

The product of its digits is 32400, while the sum is 37.

The square root of 3895651 is about 1973.7403577979. The cubic root of 3895651 is about 157.3475605770.

The spelling of 3895651 in words is "three million, eight hundred ninety-five thousand, six hundred fifty-one".