2767989 has 16 divisors (see below), whose sum is σ = 4268160. Its totient is φ = 1562880.

The previous prime is 2767949. The next prime is 2767993. The reversal of 2767989 is 9897672.

It is not a de Polignac number, because 2767989 - 2⁹ = 2767477 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2767949) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1129 + ... + 2609.

It is an arithmetic number, because the mean of its divisors is an integer number (266760).

2^2767989 is an apocalyptic number.

It is an amenable number.

2767989 is a deficient number, since it is larger than the sum of its proper divisors (1500171).

2767989 is a wasteful number, since it uses less digits than its factorization.

2767989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1580.

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

The square root of 2767989 is about 1663.7274416202. The cubic root of 2767989 is about 140.4067930415.

The spelling of 2767989 in words is "two million, seven hundred sixty-seven thousand, nine hundred eighty-nine".