5402189 has 4 divisors (see below), whose sum is σ = 5817756. Its totient is φ = 4986624.

The previous prime is 5402183. The next prime is 5402203. The reversal of 5402189 is 9812045.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9812045 = 5 ⋅1962409.

It can be written as a sum of positive squares in 2 ways, for example, as 2696164 + 2706025 = 1642^2 + 1645^2 .

It is a cyclic number.

It is not a de Polignac number, because 5402189 - 2¹² = 5398093 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 (5402183) 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, 207764 + ... + 207789.

It is an arithmetic number, because the mean of its divisors is an integer number (1454439).

Almost surely, 2^5402189 is an apocalyptic number.

It is an amenable number.

5402189 is a deficient number, since it is larger than the sum of its proper divisors (415567).

5402189 is a wasteful number, since it uses less digits than its factorization.

5402189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 415566.

The product of its (nonzero) digits is 2880, while the sum is 29.

The square root of 5402189 is about 2324.2609578100. The cubic root of 5402189 is about 175.4647672933.

The spelling of 5402189 in words is "five million, four hundred two thousand, one hundred eighty-nine".