2649078 has 16 divisors (see below), whose sum is σ = 5886960. Its totient is φ = 883008.

The previous prime is 2649077. The next prime is 2649083. The reversal of 2649078 is 8709462.

2649078 is a `hidden beast` number, since 2 + 649 + 0 + 7 + 8 = 666.

It is a super-2 number, since 2×2649078² = 14035228500168, which contains 22 as substring.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2649077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24475 + ... + 24582.

It is an arithmetic number, because the mean of its divisors is an integer number (367935).

2^2649078 is an apocalyptic number.

2649078 is an abundant number, since it is smaller than the sum of its proper divisors (3237882).

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

2649078 is a wasteful number, since it uses less digits than its factorization.

2649078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49068 (or 49062 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 2649078 is about 1627.5988449246. The cubic root of 2649078 is about 138.3666995851.

The spelling of 2649078 in words is "two million, six hundred forty-nine thousand, seventy-eight".