2090678 has 8 divisors (see below), whose sum is σ = 3143880. Its totient is φ = 1042720.

The previous prime is 2090651. The next prime is 2090681. The reversal of 2090678 is 8760902.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83 + ... + 2046.

It is an arithmetic number, because the mean of its divisors is an integer number (392985).

2^2090678 is an apocalyptic number.

2090678 is a deficient number, since it is larger than the sum of its proper divisors (1053202).

2090678 is a wasteful number, since it uses less digits than its factorization.

2090678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2622.

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 2090678 is about 1445.9177016691. The cubic root of 2090678 is about 127.8681503644.

It can be divided in two parts, 20 and 90678, that multiplied together give a triangular number (1813560 = T₁₉₀₄).

The spelling of 2090678 in words is "two million, ninety thousand, six hundred seventy-eight".