3801649 has 8 divisors (see below), whose sum is σ = 3884832. Its totient is φ = 3719520.

The previous prime is 3801631. The next prime is 3801661. The reversal of 3801649 is 9461083.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3801649 - 2⁵ = 3801617 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 3801649.

It is not an unprimeable number, because it can be changed into a prime (3801619) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13389 + ... + 13669.

It is an arithmetic number, because the mean of its divisors is an integer number (485604).

Almost surely, 2^3801649 is an apocalyptic number.

It is an amenable number.

3801649 is a deficient number, since it is larger than the sum of its proper divisors (83183).

3801649 is a wasteful number, since it uses less digits than its factorization.

3801649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 527.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 3801649 is about 1949.7817826618. The cubic root of 3801649 is about 156.0716441683.

The spelling of 3801649 in words is "three million, eight hundred one thousand, six hundred forty-nine".