5402989 has 4 divisors (see below), whose sum is σ = 5412060. Its totient is φ = 5393920.

The previous prime is 5402977. The next prime is 5403007. The reversal of 5402989 is 9892045.

5402989 is nontrivially palindromic in base 12.

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 2975625 + 2427364 = 1725^2 + 1558^2 .

It is a cyclic number.

It is not a de Polignac number, because 5402989 - 2¹⁹ = 4878701 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 (5402909) 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, 3574 + ... + 4855.

It is an arithmetic number, because the mean of its divisors is an integer number (1353015).

Almost surely, 2^5402989 is an apocalyptic number.

It is an amenable number.

5402989 is a deficient number, since it is larger than the sum of its proper divisors (9071).

5402989 is an equidigital number, since it uses as much as digits as its factorization.

5402989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9070.

The product of its (nonzero) digits is 25920, while the sum is 37.

The square root of 5402989 is about 2324.4330491541. The cubic root of 5402989 is about 175.4734282815.

The spelling of 5402989 in words is "five million, four hundred two thousand, nine hundred eighty-nine".