3953493 has 24 divisors (see below), whose sum is σ = 6065280. Its totient is φ = 2476320.

The previous prime is 3953491. The next prime is 3953497. The reversal of 3953493 is 3943593.

It is a happy number.

3953493 is a `hidden beast` number, since 39 + 534 + 93 = 666.

It is not a de Polignac number, because 3953493 - 2¹ = 3953491 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

3953493 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3953491) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14563 + ... + 14831.

It is an arithmetic number, because the mean of its divisors is an integer number (252720).

Almost surely, 2^3953493 is an apocalyptic number.

It is an amenable number.

3953493 is a deficient number, since it is larger than the sum of its proper divisors (2111787).

3953493 is a wasteful number, since it uses less digits than its factorization.

3953493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 369 (or 366 counting only the distinct ones).

The product of its digits is 43740, while the sum is 36.

The square root of 3953493 is about 1988.3392567668. The cubic root of 3953493 is about 158.1224948699.

The spelling of 3953493 in words is "three million, nine hundred fifty-three thousand, four hundred ninety-three".