2786997 has 8 divisors (see below), whose sum is σ = 3934656. Its totient is φ = 1748672.

The previous prime is 2786981. The next prime is 2787013. The reversal of 2786997 is 7996872.

2786997 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2786981) and next prime (2787013).

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

It is a cyclic number.

It is not a de Polignac number, because 2786997 - 2⁴ = 2786981 is a prime.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2786947) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 27273 + ... + 27374.

It is an arithmetic number, because the mean of its divisors is an integer number (491832).

2^2786997 is an apocalyptic number.

It is an amenable number.

2786997 is a deficient number, since it is larger than the sum of its proper divisors (1147659).

2786997 is a wasteful number, since it uses less digits than its factorization.

2786997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54667.

The product of its digits is 381024, while the sum is 48.

The square root of 2786997 is about 1669.4301422941. The cubic root of 2786997 is about 140.7274550153.

It can be divided in two parts, 27869 and 97, that added together give a triangular number (27966 = T₂₃₆).

The spelling of 2786997 in words is "two million, seven hundred eighty-six thousand, nine hundred ninety-seven".