2591842 has 8 divisors (see below), whose sum is σ = 4241232. Its totient is φ = 1178100.

The previous prime is 2591839. The next prime is 2591843. The reversal of 2591842 is 2481952.

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

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (2591843) 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, 58884 + ... + 58927.

It is an arithmetic number, because the mean of its divisors is an integer number (530154).

2^2591842 is an apocalyptic number.

2591842 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2591842 is a deficient number, since it is larger than the sum of its proper divisors (1649390).

2591842 is a wasteful number, since it uses less digits than its factorization.

2591842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117824.

The product of its digits is 5760, while the sum is 31.

The square root of 2591842 is about 1609.9198737825. The cubic root of 2591842 is about 137.3629179255.

The spelling of 2591842 in words is "two million, five hundred ninety-one thousand, eight hundred forty-two".