2697538 has 4 divisors (see below), whose sum is σ = 4046310. Its totient is φ = 1348768.

The previous prime is 2697533. The next prime is 2697547. The reversal of 2697538 is 8357962.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2093809 + 603729 = 1447^2 + 777^2 .

It is a super-2 number, since 2×2697538² = 14553422522888, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a d-powerful number, because it can be written as 2¹⁹ + 6² + 9² + 7⁵ + 5³ + 3¹⁰ + 8⁷ .

It is a self number, because there is not a number n which added to its sum of digits gives 2697538.

It is not an unprimeable number, because it can be changed into a prime (2697533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 674383 + ... + 674386.

2^2697538 is an apocalyptic number.

2697538 is a deficient number, since it is larger than the sum of its proper divisors (1348772).

2697538 is a wasteful number, since it uses less digits than its factorization.

2697538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1348771.

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

The square root of 2697538 is about 1642.4183389137. The cubic root of 2697538 is about 139.2053277236.

The spelling of 2697538 in words is "two million, six hundred ninety-seven thousand, five hundred thirty-eight".