33249960 has 128 divisors (see below), whose sum is σ = 117417600. Its totient is φ = 8340480.

The previous prime is 33249959. The next prime is 33249961. The reversal of 33249960 is 6994233.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (33249959) and next prime (33249961).

It is a super-2 number, since 2×33249960² = 2211119680003200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (33249961) 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, 17455 + ... + 19265.

It is an arithmetic number, because the mean of its divisors is an integer number (917325).

Almost surely, 2^33249960 is an apocalyptic number.

33249960 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 33249960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58708800).

33249960 is an abundant number, since it is smaller than the sum of its proper divisors (84167640).

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

33249960 is a wasteful number, since it uses less digits than its factorization.

33249960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1848 (or 1838 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 36.

The square root of 33249960 is about 5766.2778288945. The cubic root of 33249960 is about 321.5612506220.

The spelling of 33249960 in words is "thirty-three million, two hundred forty-nine thousand, nine hundred sixty".