5698981 has 4 divisors (see below), whose sum is σ = 5771200. Its totient is φ = 5626764.

The previous prime is 5698967. The next prime is 5698997. The reversal of 5698981 is 1898965.

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.

It is a cyclic number.

It is not a de Polignac number, because 5698981 - 2⁵ = 5698949 is a prime.

It is a super-2 number, since 2×5698981² = 64956768876722, which contains 22 as substring.

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

It is a Duffinian number.

5698981 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5698921) 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, 35991 + ... + 36148.

It is an arithmetic number, because the mean of its divisors is an integer number (1442800).

Almost surely, 2^5698981 is an apocalyptic number.

It is an amenable number.

5698981 is a deficient number, since it is larger than the sum of its proper divisors (72219).

5698981 is an equidigital number, since it uses as much as digits as its factorization.

5698981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72218.

The product of its digits is 155520, while the sum is 46.

The square root of 5698981 is about 2387.2538616578. The cubic root of 5698981 is about 178.6209533645.

The spelling of 5698981 in words is "five million, six hundred ninety-eight thousand, nine hundred eighty-one".