3949653 has 16 divisors (see below), whose sum is σ = 5455296. Its totient is φ = 2540160.

The previous prime is 3949651. The next prime is 3949657. The reversal of 3949653 is 3569493.

It is not a de Polignac number, because 3949653 - 2¹ = 3949651 is a prime.

It is a d-powerful number, because it can be written as 3⁹ + 9⁵ + 4⁸ + 9⁶ + 6⁸ + 5 + 3¹³ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3949651) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19951 + ... + 20147.

It is an arithmetic number, because the mean of its divisors is an integer number (340956).

Almost surely, 2^3949653 is an apocalyptic number.

It is an amenable number.

3949653 is a deficient number, since it is larger than the sum of its proper divisors (1505643).

3949653 is a wasteful number, since it uses less digits than its factorization.

3949653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 404.

The product of its digits is 87480, while the sum is 39.

The square root of 3949653 is about 1987.3733921938. The cubic root of 3949653 is about 158.0712838629.

The spelling of 3949653 in words is "three million, nine hundred forty-nine thousand, six hundred fifty-three".