2026540 has 24 divisors (see below), whose sum is σ = 4480560. Its totient is φ = 767808.

The previous prime is 2026537. The next prime is 2026567. The reversal of 2026540 is 456202.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2287 + ... + 3046.

It is an arithmetic number, because the mean of its divisors is an integer number (186690).

2^2026540 is an apocalyptic number.

2026540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2026540 is an abundant number, since it is smaller than the sum of its proper divisors (2454020).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2026540 is a wasteful number, since it uses less digits than its factorization.

2026540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5361 (or 5359 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 2026540 is about 1423.5659450830. The cubic root of 2026540 is about 126.5469629355.

The spelling of 2026540 in words is "two million, twenty-six thousand, five hundred forty".