4374391 has 8 divisors (see below), whose sum is σ = 5021984. Its totient is φ = 3732480.

The previous prime is 4374373. The next prime is 4374401. The reversal of 4374391 is 1934734.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a 10-Lehmer number, since φ(4374391) divides (4374391-1)¹⁰.

It is a cyclic number.

It is not a de Polignac number, because 4374391 - 2¹¹ = 4372343 is a prime.

It is a d-powerful number, because it can be written as 4² + 3⁷ + 7 + 4¹¹ + 3¹¹ + 9³ + 1 .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4374311) 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, 391 + ... + 2983.

It is an arithmetic number, because the mean of its divisors is an integer number (627748).

Almost surely, 2^4374391 is an apocalyptic number.

4374391 is a deficient number, since it is larger than the sum of its proper divisors (647593).

4374391 is a wasteful number, since it uses less digits than its factorization.

4374391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2841.

The product of its digits is 9072, while the sum is 31.

The square root of 4374391 is about 2091.5044824241. The cubic root of 4374391 is about 163.5457262834.

It can be divided in two parts, 43743 and 91, that added together give a palindrome (43834).

The spelling of 4374391 in words is "four million, three hundred seventy-four thousand, three hundred ninety-one".