3953397 has 16 divisors (see below), whose sum is σ = 6103040. Its totient is φ = 2229552.

The previous prime is 3953393. The next prime is 3953437. The reversal of 3953397 is 7933593.

It is a happy number.

It is not a de Polignac number, because 3953397 - 2² = 3953393 is a prime.

It is an Ulam number.

It is a Duffinian number.

3953397 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3953393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 468 + ... + 2850.

It is an arithmetic number, because the mean of its divisors is an integer number (381440).

Almost surely, 2^3953397 is an apocalyptic number.

It is an amenable number.

3953397 is a deficient number, since it is larger than the sum of its proper divisors (2149643).

3953397 is a wasteful number, since it uses less digits than its factorization.

3953397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2472.

The product of its digits is 76545, while the sum is 39.

The square root of 3953397 is about 1988.3151158707. The cubic root of 3953397 is about 158.1212149989.

The spelling of 3953397 in words is "three million, nine hundred fifty-three thousand, three hundred ninety-seven".