3654851 has 2 divisors, whose sum is σ = 3654852. Its totient is φ = 3654850.

The previous prime is 3654829. The next prime is 3654853. The reversal of 3654851 is 1584563.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3654851 - 2⁶ = 3654787 is a prime.

Together with 3654853, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (3654853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1827425 + 1827426.

It is an arithmetic number, because the mean of its divisors is an integer number (1827426).

Almost surely, 2^3654851 is an apocalyptic number.

3654851 is a deficient number, since it is larger than the sum of its proper divisors (1).

3654851 is an equidigital number, since it uses as much as digits as its factorization.

3654851 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 3654851 is about 1911.7664606327. The cubic root of 3654851 is about 154.0363522436.

The spelling of 3654851 in words is "three million, six hundred fifty-four thousand, eight hundred fifty-one".