3842591 has 4 divisors (see below), whose sum is σ = 3896784. Its totient is φ = 3788400.

The previous prime is 3842569. The next prime is 3842599. The reversal of 3842591 is 1952483.

3842591 = T₁₅₈ + T₁₅₉ + ... + T₂₉₉.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3842591 - 2¹⁰ = 3841567 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3842599) 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, 26990 + ... + 27131.

It is an arithmetic number, because the mean of its divisors is an integer number (974196).

Almost surely, 2^3842591 is an apocalyptic number.

3842591 is a deficient number, since it is larger than the sum of its proper divisors (54193).

3842591 is an equidigital number, since it uses as much as digits as its factorization.

3842591 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54192.

The product of its digits is 8640, while the sum is 32.

The square root of 3842591 is about 1960.2527898207. The cubic root of 3842591 is about 156.6299179437.

The spelling of 3842591 in words is "three million, eight hundred forty-two thousand, five hundred ninety-one".