3646051 has 4 divisors (see below), whose sum is σ = 3666600. Its totient is φ = 3625504.

The previous prime is 3646039. The next prime is 3646057. The reversal of 3646051 is 1506463.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3646051 - 2⁹ = 3645539 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 (3646057) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10006 + ... + 10363.

It is an arithmetic number, because the mean of its divisors is an integer number (916650).

Almost surely, 2^3646051 is an apocalyptic number.

3646051 is a deficient number, since it is larger than the sum of its proper divisors (20549).

3646051 is a wasteful number, since it uses less digits than its factorization.

3646051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20548.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 3646051 is about 1909.4635372271. The cubic root of 3646051 is about 153.9126254232.

The spelling of 3646051 in words is "three million, six hundred forty-six thousand, fifty-one".