5898421 has 2 divisors, whose sum is σ = 5898422. Its totient is φ = 5898420.

The previous prime is 5898413. The next prime is 5898433. The reversal of 5898421 is 1248985.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3663396 + 2235025 = 1914^2 + 1495^2 .

It is a cyclic number.

It is not a de Polignac number, because 5898421 - 2³ = 5898413 is a prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5898121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2949210 + 2949211.

It is an arithmetic number, because the mean of its divisors is an integer number (2949211).

Almost surely, 2^5898421 is an apocalyptic number.

It is an amenable number.

5898421 is a deficient number, since it is larger than the sum of its proper divisors (1).

5898421 is an equidigital number, since it uses as much as digits as its factorization.

5898421 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23040, while the sum is 37.

The square root of 5898421 is about 2428.6665065422. Note that the first 3 decimals coincide. The cubic root of 5898421 is about 180.6807656981.

The spelling of 5898421 in words is "five million, eight hundred ninety-eight thousand, four hundred twenty-one".