2026858 has 4 divisors (see below), whose sum is σ = 3040290. Its totient is φ = 1013428.

The previous prime is 2026841. The next prime is 2026877. The reversal of 2026858 is 8586202.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8586202 = 2 ⋅4293101.

It can be written as a sum of positive squares in only one way, i.e., 1830609 + 196249 = 1353^2 + 443^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506713 + ... + 506716.

2^2026858 is an apocalyptic number.

2026858 is a deficient number, since it is larger than the sum of its proper divisors (1013432).

2026858 is a wasteful number, since it uses less digits than its factorization.

2026858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1013431.

The product of its (nonzero) digits is 7680, while the sum is 31.

The square root of 2026858 is about 1423.6776320502. The cubic root of 2026858 is about 126.5535817422.

The spelling of 2026858 in words is "two million, twenty-six thousand, eight hundred fifty-eight".