2378591 has 8 divisors (see below), whose sum is σ = 2613120. Its totient is φ = 2155032.

The previous prime is 2378569. The next prime is 2378617. The reversal of 2378591 is 1958732.

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 2378591 - 2¹⁸ = 2116447 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 (2378501) 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, 2285 + ... + 3158.

It is an arithmetic number, because the mean of its divisors is an integer number (326640).

2^2378591 is an apocalyptic number.

2378591 is a deficient number, since it is larger than the sum of its proper divisors (234529).

2378591 is a wasteful number, since it uses less digits than its factorization.

2378591 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5485.

The product of its digits is 15120, while the sum is 35.

The square root of 2378591 is about 1542.2681349234. The cubic root of 2378591 is about 133.4872922952.

The spelling of 2378591 in words is "two million, three hundred seventy-eight thousand, five hundred ninety-one".