3949493 has 4 divisors (see below), whose sum is σ = 4076928. Its totient is φ = 3822060.

The previous prime is 3949487. The next prime is 3949501.

It is a happy number.

3949493 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3949493 - 2¹⁴ = 3933109 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 3949493.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3949433) 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, 63671 + ... + 63732.

It is an arithmetic number, because the mean of its divisors is an integer number (1019232).

Almost surely, 2^3949493 is an apocalyptic number.

It is an amenable number.

3949493 is a deficient number, since it is larger than the sum of its proper divisors (127435).

3949493 is a wasteful number, since it uses less digits than its factorization.

3949493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127434.

The product of its digits is 104976, while the sum is 41.

The square root of 3949493 is about 1987.3331376495. Note that the first 3 decimals coincide. The cubic root of 3949493 is about 158.0691493507.

The spelling of 3949493 in words is "three million, nine hundred forty-nine thousand, four hundred ninety-three".