3921293 has 8 divisors (see below), whose sum is σ = 4233600. Its totient is φ = 3620848.

The previous prime is 3921289. The next prime is 3921301.

3921293 is nontrivially palindromic in base 10.

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 3921293 - 2² = 3921289 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3921193) 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, 2273 + ... + 3606.

It is an arithmetic number, because the mean of its divisors is an integer number (529200).

Almost surely, 2^3921293 is an apocalyptic number.

It is an amenable number.

3921293 is a deficient number, since it is larger than the sum of its proper divisors (312307).

3921293 is a wasteful number, since it uses less digits than its factorization.

3921293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5931.

The product of its digits is 2916, while the sum is 29.

The square root of 3921293 is about 1980.2254922104. The cubic root of 3921293 is about 157.6920375291.

The spelling of 3921293 in words is "three million, nine hundred twenty-one thousand, two hundred ninety-three".