5396989 has 4 divisors (see below), whose sum is σ = 5812156. Its totient is φ = 4981824.

The previous prime is 5396981. The next prime is 5397001. The reversal of 5396989 is 9896935.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9896935 = 5 ⋅1979387.

It can be written as a sum of positive squares in 2 ways, for example, as 1625625 + 3771364 = 1275^2 + 1942^2 .

It is a cyclic number.

It is not a de Polignac number, because 5396989 - 2³ = 5396981 is a prime.

It is a super-2 number, since 2×5396989² = 58254980532242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5396981) 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, 207564 + ... + 207589.

It is an arithmetic number, because the mean of its divisors is an integer number (1453039).

Almost surely, 2^5396989 is an apocalyptic number.

It is an amenable number.

5396989 is a deficient number, since it is larger than the sum of its proper divisors (415167).

5396989 is a wasteful number, since it uses less digits than its factorization.

5396989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 415166.

The product of its digits is 524880, while the sum is 49.

The square root of 5396989 is about 2323.1420533407. The cubic root of 5396989 is about 175.4084500176.

The spelling of 5396989 in words is "five million, three hundred ninety-six thousand, nine hundred eighty-nine".