33988245 has 32 divisors (see below), whose sum is σ = 59105280. Its totient is φ = 16614720.

The previous prime is 33988243. The next prime is 33988247. The reversal of 33988245 is 54288933.

It is an interprime number because it is at equal distance from previous prime (33988243) and next prime (33988247).

It is not a de Polignac number, because 33988245 - 2¹ = 33988243 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 33988197 and 33988206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33988243) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6912 + ... + 10758.

It is an arithmetic number, because the mean of its divisors is an integer number (1847040).

Almost surely, 2^33988245 is an apocalyptic number.

It is an amenable number.

33988245 is a deficient number, since it is larger than the sum of its proper divisors (25117035).

33988245 is a wasteful number, since it uses less digits than its factorization.

33988245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3905.

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

The square root of 33988245 is about 5829.9438247722. The cubic root of 33988245 is about 323.9238408863.

The spelling of 33988245 in words is "thirty-three million, nine hundred eighty-eight thousand, two hundred forty-five".