2763985 has 16 divisors (see below), whose sum is σ = 3822336. Its totient is φ = 1879488.

The previous prime is 2763977. The next prime is 2763989. The reversal of 2763985 is 5893672.

It is a cyclic number.

It is not a de Polignac number, because 2763985 - 2³ = 2763977 is a prime.

It is a super-2 number, since 2×2763985² = 15279226160450, which contains 22 as substring.

Its product of digits (90720) is a multiple of the sum of its prime divisors (672).

2763985 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2763989) 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, 5244 + ... + 5746.

It is an arithmetic number, because the mean of its divisors is an integer number (238896).

2^2763985 is an apocalyptic number.

It is an amenable number.

2763985 is a deficient number, since it is larger than the sum of its proper divisors (1058351).

2763985 is a wasteful number, since it uses less digits than its factorization.

2763985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 672.

The product of its digits is 90720, while the sum is 40.

The square root of 2763985 is about 1662.5236840418. The cubic root of 2763985 is about 140.3390591388.

The spelling of 2763985 in words is "two million, seven hundred sixty-three thousand, nine hundred eighty-five".