2774992 has 20 divisors (see below), whose sum is σ = 5865696. Its totient is φ = 1261280.

The previous prime is 2774971. The next prime is 2775001. The reversal of 2774992 is 2994772.

2774992 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7708 + ... + 8059.

2^2774992 is an apocalyptic number.

2774992 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2774992 is an abundant number, since it is smaller than the sum of its proper divisors (3090704).

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

2774992 is a wasteful number, since it uses less digits than its factorization.

2774992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15786 (or 15780 counting only the distinct ones).

The product of its digits is 63504, while the sum is 40.

The square root of 2774992 is about 1665.8307236931. The cubic root of 2774992 is about 140.5251028461.

The spelling of 2774992 in words is "two million, seven hundred seventy-four thousand, nine hundred ninety-two".