33898 has 8 divisors (see below), whose sum is σ = 53892. Its totient is φ = 15936.

The previous prime is 33893. The next prime is 33911. The reversal of 33898 is 89833.

It can be written as a sum of positive squares in 2 ways, for example, as 29929 + 3969 = 173^2 + 63^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×33898² = 2298148808, which contains 22 as substring.

It is a plaindrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (33893) 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, 465 + ... + 532.

2³³⁸⁹⁸ is an apocalyptic number.

33898 is a deficient number, since it is larger than the sum of its proper divisors (19994).

33898 is a wasteful number, since it uses less digits than its factorization.

33898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1016.

The product of its digits is 5184, while the sum is 31.

The square root of 33898 is about 184.1140950606. The cubic root of 33898 is about 32.3636894445.

It can be divided in two parts, 338 and 98, that multiplied together give a square (33124 = 182²).

The spelling of 33898 in words is "thirty-three thousand, eight hundred ninety-eight".