5698921 has 2 divisors, whose sum is σ = 5698922. Its totient is φ = 5698920.

The previous prime is 5698907. The next prime is 5698933. The reversal of 5698921 is 1298965.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4575321 + 1123600 = 2139^2 + 1060^2 .

It is a cyclic number.

It is not a de Polignac number, because 5698921 - 2¹⁹ = 5174633 is a prime.

It is a Chen prime.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5698951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2849460 + 2849461.

It is an arithmetic number, because the mean of its divisors is an integer number (2849461).

Almost surely, 2^5698921 is an apocalyptic number.

It is an amenable number.

5698921 is a deficient number, since it is larger than the sum of its proper divisors (1).

5698921 is an equidigital number, since it uses as much as digits as its factorization.

5698921 is an evil number, because the sum of its binary digits is even.

The product of its digits is 38880, while the sum is 40.

The square root of 5698921 is about 2387.2412948841. The cubic root of 5698921 is about 178.6203265101.

The spelling of 5698921 in words is "five million, six hundred ninety-eight thousand, nine hundred twenty-one".