2774986 has 8 divisors (see below), whose sum is σ = 4178340. Its totient is φ = 1382208.

The previous prime is 2774971. The next prime is 2775001. The reversal of 2774986 is 6894772.

It is an interprime number because it is at equal distance from previous prime (2774971) and next prime (2775001).

It can be written as a sum of positive squares in 2 ways, for example, as 2673225 + 101761 = 1635^2 + 319^2 .

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

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, 1951 + ... + 3058.

2^2774986 is an apocalyptic number.

2774986 is a deficient number, since it is larger than the sum of its proper divisors (1403354).

2774986 is a wasteful number, since it uses less digits than its factorization.

2774986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5288.

The product of its digits is 169344, while the sum is 43.

The square root of 2774986 is about 1665.8289227889. The cubic root of 2774986 is about 140.5250015664.

The spelling of 2774986 in words is "two million, seven hundred seventy-four thousand, nine hundred eighty-six".