3928343 has 4 divisors (see below), whose sum is σ = 4159440. Its totient is φ = 3697248.

The previous prime is 3928319. The next prime is 3928361. The reversal of 3928343 is 3438293.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3438293 = 23 ⋅149491.

It is a cyclic number.

It is not a de Polignac number, because 3928343 - 2¹² = 3924247 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3928303) 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, 115523 + ... + 115556.

It is an arithmetic number, because the mean of its divisors is an integer number (1039860).

Almost surely, 2^3928343 is an apocalyptic number.

3928343 is a deficient number, since it is larger than the sum of its proper divisors (231097).

3928343 is a wasteful number, since it uses less digits than its factorization.

3928343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231096.

The product of its digits is 15552, while the sum is 32.

The square root of 3928343 is about 1982.0047931324. The cubic root of 3928343 is about 157.7864845460.

It can be divided in two parts, 39 and 28343, that added together give a palindrome (28382).

The spelling of 3928343 in words is "three million, nine hundred twenty-eight thousand, three hundred forty-three".