33998493 has 8 divisors (see below), whose sum is σ = 46186848. Its totient is φ = 22237904.

The previous prime is 33998491. The next prime is 33998539. The reversal of 33998493 is 39489933.

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

It is a cyclic number.

It is not a de Polignac number, because 33998493 - 2¹ = 33998491 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33998491) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106755 + ... + 107072.

It is an arithmetic number, because the mean of its divisors is an integer number (5773356).

Almost surely, 2^33998493 is an apocalyptic number.

It is an amenable number.

33998493 is a deficient number, since it is larger than the sum of its proper divisors (12188355).

33998493 is a wasteful number, since it uses less digits than its factorization.

33998493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213883.

The product of its digits is 629856, while the sum is 48.

The square root of 33998493 is about 5830.8226692294. The cubic root of 33998493 is about 323.9563936894.

The spelling of 33998493 in words is "thirty-three million, nine hundred ninety-eight thousand, four hundred ninety-three".