2049278 has 24 divisors (see below), whose sum is σ = 3902904. Its totient is φ = 798000.

The previous prime is 2049269. The next prime is 2049287. The reversal of 2049278 is 8729402.

It is an interprime number because it is at equal distance from previous prime (2049269) and next prime (2049287).

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 11 ways as a sum of consecutive naturals, for example, 128 + ... + 2028.

It is an arithmetic number, because the mean of its divisors is an integer number (162621).

2^2049278 is an apocalyptic number.

2049278 is a deficient number, since it is larger than the sum of its proper divisors (1853626).

2049278 is a wasteful number, since it uses less digits than its factorization.

2049278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1928 (or 1921 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 2049278 is about 1431.5299507869. The cubic root of 2049278 is about 127.0184940104.

The spelling of 2049278 in words is "two million, forty-nine thousand, two hundred seventy-eight".