2026491 has 8 divisors (see below), whose sum is σ = 2795280. Its totient is φ = 1304352.

The previous prime is 2026487. The next prime is 2026517. The reversal of 2026491 is 1946202.

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

It is not a de Polignac number, because 2026491 - 2² = 2026487 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2026471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11560 + ... + 11733.

It is an arithmetic number, because the mean of its divisors is an integer number (349410).

2^2026491 is an apocalyptic number.

2026491 is a deficient number, since it is larger than the sum of its proper divisors (768789).

2026491 is a wasteful number, since it uses less digits than its factorization.

2026491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23325.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 2026491 is about 1423.5487346768. The cubic root of 2026491 is about 126.5459429949.

The spelling of 2026491 in words is "two million, twenty-six thousand, four hundred ninety-one".