3845651 has 2 divisors, whose sum is σ = 3845652. Its totient is φ = 3845650.

The previous prime is 3845593. The next prime is 3845663. The reversal of 3845651 is 1565483.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3845651 - 2¹⁰ = 3844627 is a prime.

It is a super-2 number, since 2×3845651² = 29578063227602, which contains 22 as substring.

It is a Chen prime.

It is a plaindrome in base 12.

It is not a weakly prime, because it can be changed into another prime (3845251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1922825 + 1922826.

It is an arithmetic number, because the mean of its divisors is an integer number (1922826).

Almost surely, 2^3845651 is an apocalyptic number.

3845651 is a deficient number, since it is larger than the sum of its proper divisors (1).

3845651 is an equidigital number, since it uses as much as digits as its factorization.

3845651 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14400, while the sum is 32.

The square root of 3845651 is about 1961.0331460738. The cubic root of 3845651 is about 156.6714836807.

The spelling of 3845651 in words is "three million, eight hundred forty-five thousand, six hundred fifty-one".