2634387 has 12 divisors (see below), whose sum is σ = 4086216. Its totient is φ = 1505280.

The previous prime is 2634377. The next prime is 2634403. The reversal of 2634387 is 7834362.

It is not a de Polignac number, because 2634387 - 2⁸ = 2634131 is a prime.

It is a d-powerful number, because it can be written as 2¹⁷ + 6⁸ + 3 + 4³ + 3⁴ + 8 + 7⁷ .

2634387 is a lucky number.

It is a zygodrome in base 5.

It is not an unprimeable number, because it can be changed into a prime (2634377) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8814 + ... + 9107.

It is an arithmetic number, because the mean of its divisors is an integer number (340518).

2^2634387 is an apocalyptic number.

2634387 is a deficient number, since it is larger than the sum of its proper divisors (1451829).

2634387 is a wasteful number, since it uses less digits than its factorization.

2634387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17938 (or 17931 counting only the distinct ones).

The product of its digits is 24192, while the sum is 33.

The square root of 2634387 is about 1623.0794804938. The cubic root of 2634387 is about 138.1104450856.

The spelling of 2634387 in words is "two million, six hundred thirty-four thousand, three hundred eighty-seven".