2765538 has 12 divisors (see below), whose sum is σ = 5992038. Its totient is φ = 921840.

The previous prime is 2765531. The next prime is 2765551. The reversal of 2765538 is 8355672.

It can be written as a sum of positive squares in only one way, i.e., 2064969 + 700569 = 1437^2 + 837^2 .

It is a d-powerful number, because it can be written as 2² + 7³ + 6⁷ + 5⁴ + 5⁹ + 3¹² + 8² .

It is not an unprimeable number, because it can be changed into a prime (2765531) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 76803 + ... + 76838.

2^2765538 is an apocalyptic number.

2765538 is an abundant number, since it is smaller than the sum of its proper divisors (3226500).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2765538 is a wasteful number, since it uses less digits than its factorization.

2765538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153649 (or 153646 counting only the distinct ones).

The product of its digits is 50400, while the sum is 36.

The square root of 2765538 is about 1662.9906794688. The cubic root of 2765538 is about 140.3653383157.

The spelling of 2765538 in words is "two million, seven hundred sixty-five thousand, five hundred thirty-eight".