2093778 has 24 divisors (see below), whose sum is σ = 4563468. Its totient is φ = 693792.

The previous prime is 2093761. The next prime is 2093783. The reversal of 2093778 is 8773902.

It can be written as a sum of positive squares in 2 ways, for example, as 1830609 + 263169 = 1353^2 + 513^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5076 + ... + 5472.

2^2093778 is an apocalyptic number.

2093778 is an abundant number, since it is smaller than the sum of its proper divisors (2469690).

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

2093778 is a wasteful number, since it uses less digits than its factorization.

2093778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 698 (or 695 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 36.

The square root of 2093778 is about 1446.9892881428. The cubic root of 2093778 is about 127.9313189486.

The spelling of 2093778 in words is "two million, ninety-three thousand, seven hundred seventy-eight".