5898661 has 4 divisors (see below), whose sum is σ = 5903872. Its totient is φ = 5893452.

The previous prime is 5898637. The next prime is 5898689. The reversal of 5898661 is 1668985.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 5898661 - 2⁷ = 5898533 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 (5898601) 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, 111 + ... + 3436.

It is an arithmetic number, because the mean of its divisors is an integer number (1475968).

Almost surely, 2^5898661 is an apocalyptic number.

It is an amenable number.

5898661 is a deficient number, since it is larger than the sum of its proper divisors (5211).

5898661 is a wasteful number, since it uses less digits than its factorization.

5898661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5210.

The product of its digits is 103680, while the sum is 43.

The square root of 5898661 is about 2428.7159158699. The cubic root of 5898661 is about 180.6832162294.

The spelling of 5898661 in words is "five million, eight hundred ninety-eight thousand, six hundred sixty-one".