5398261 has 16 divisors (see below), whose sum is σ = 6474240. Its totient is φ = 4443120.

The previous prime is 5398259. The next prime is 5398271. The reversal of 5398261 is 1628935.

5398261 = 524² + 525² + ... + 542².

It is not a de Polignac number, because 5398261 - 2¹ = 5398259 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5398241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4246 + ... + 5368.

It is an arithmetic number, because the mean of its divisors is an integer number (404640).

Almost surely, 2^5398261 is an apocalyptic number.

It is an amenable number.

5398261 is a deficient number, since it is larger than the sum of its proper divisors (1075979).

5398261 is a wasteful number, since it uses less digits than its factorization.

5398261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1176.

The product of its digits is 12960, while the sum is 34.

The square root of 5398261 is about 2323.4158043708. The cubic root of 5398261 is about 175.4222294306.

The spelling of 5398261 in words is "five million, three hundred ninety-eight thousand, two hundred sixty-one".