2942765 has 16 divisors (see below), whose sum is σ = 4088448. Its totient is φ = 1991616.

The previous prime is 2942761. The next prime is 2942767. The reversal of 2942765 is 5672492.

It is a cyclic number.

It is not a de Polignac number, because 2942765 - 2² = 2942761 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a d-powerful number, because it can be written as 2⁹ + 9⁴ + 4⁶ + 2²¹ + 7⁷ + 6⁵ + 5⁵ .

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2942761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2399 + ... + 3411.

It is an arithmetic number, because the mean of its divisors is an integer number (255528).

2^2942765 is an apocalyptic number.

It is an amenable number.

2942765 is a deficient number, since it is larger than the sum of its proper divisors (1145683).

2942765 is a wasteful number, since it uses less digits than its factorization.

2942765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1108.

The product of its digits is 30240, while the sum is 35.

The square root of 2942765 is about 1715.4489208368. The cubic root of 2942765 is about 143.3018709863.

It can be divided in two parts, 29427 and 65, that added together give a palindrome (29492).

The spelling of 2942765 in words is "two million, nine hundred forty-two thousand, seven hundred sixty-five".