33898542 has 8 divisors (see below), whose sum is σ = 67797096. Its totient is φ = 11299512.

The previous prime is 33898511. The next prime is 33898559. The reversal of 33898542 is 24589833.

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

33898542 is an admirable number.

It is a super-2 number, since 2×33898542² = 2298222299451528, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33898494 and 33898503.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2824873 + ... + 2824884.

It is an arithmetic number, because the mean of its divisors is an integer number (8474637).

Almost surely, 2^33898542 is an apocalyptic number.

33898542 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

33898542 is a wasteful number, since it uses less digits than its factorization.

33898542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5649762.

The product of its digits is 207360, while the sum is 42.

The square root of 33898542 is about 5822.2454431259. The cubic root of 33898542 is about 323.6386193285.

The spelling of 33898542 in words is "thirty-three million, eight hundred ninety-eight thousand, five hundred forty-two".