4372991 has 8 divisors (see below), whose sum is σ = 5038080. Its totient is φ = 3718008.

The previous prime is 4372981. The next prime is 4373003. The reversal of 4372991 is 1992734.

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

It is a de Polignac number, because none of the positive numbers 2^k-4372991 is a prime.

It is a d-powerful number, because it can be written as 4¹¹ + 3¹¹ + 7² + 2⁵ + 9³ + 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 (4372931) 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, 1571 + ... + 3348.

It is an arithmetic number, because the mean of its divisors is an integer number (629760).

Almost surely, 2^4372991 is an apocalyptic number.

4372991 is a deficient number, since it is larger than the sum of its proper divisors (665089).

4372991 is a wasteful number, since it uses less digits than its factorization.

4372991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5053.

The product of its digits is 13608, while the sum is 35.

The square root of 4372991 is about 2091.1697683354. The cubic root of 4372991 is about 163.5282771157.

The spelling of 4372991 in words is "four million, three hundred seventy-two thousand, nine hundred ninety-one".