5398549 has 4 divisors (see below), whose sum is σ = 5813836. Its totient is φ = 4983264.

The previous prime is 5398543. The next prime is 5398567. The reversal of 5398549 is 9458935.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 268324 + 5130225 = 518^2 + 2265^2 .

It is not a de Polignac number, because 5398549 - 2⁹ = 5398037 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 (5398543) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 207624 + ... + 207649.

It is an arithmetic number, because the mean of its divisors is an integer number (1453459).

Almost surely, 2^5398549 is an apocalyptic number.

It is an amenable number.

5398549 is a deficient number, since it is larger than the sum of its proper divisors (415287).

5398549 is a wasteful number, since it uses less digits than its factorization.

5398549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 415286.

The product of its digits is 194400, while the sum is 43.

The square root of 5398549 is about 2323.4777812581. The cubic root of 5398549 is about 175.4253489972.

The spelling of 5398549 in words is "five million, three hundred ninety-eight thousand, five hundred forty-nine".