2738287 has 2 divisors, whose sum is σ = 2738288. Its totient is φ = 2738286.

The previous prime is 2738279. The next prime is 2738291. The reversal of 2738287 is 7828372.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2738287 - 2³ = 2738279 is a prime.

It is a Chen prime.

It is an Ulam number.

2738287 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2738227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1369143 + 1369144.

It is an arithmetic number, because the mean of its divisors is an integer number (1369144).

2^2738287 is an apocalyptic number.

2738287 is a deficient number, since it is larger than the sum of its proper divisors (1).

2738287 is an equidigital number, since it uses as much as digits as its factorization.

2738287 is an evil number, because the sum of its binary digits is even.

The product of its digits is 37632, while the sum is 37.

The square root of 2738287 is about 1654.7770242543. Note that the first 3 decimals coincide. The cubic root of 2738287 is about 139.9027726291.

It can be divided in two parts, 2738 and 287, that added together give a square (3025 = 55²).

The spelling of 2738287 in words is "two million, seven hundred thirty-eight thousand, two hundred eighty-seven".