33485380 has 12 divisors (see below), whose sum is σ = 70319340. Its totient is φ = 13394144.

The previous prime is 33485377. The next prime is 33485381. The reversal of 33485380 is 8358433.

It can be written as a sum of positive squares in 2 ways, for example, as 4562496 + 28922884 = 2136^2 + 5378^2 .

It is a super-2 number, since 2×33485380² = 2242541347488800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33485381) 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, 837115 + ... + 837154.

It is an arithmetic number, because the mean of its divisors is an integer number (5859945).

Almost surely, 2^33485380 is an apocalyptic number.

It is an amenable number.

33485380 is an abundant number, since it is smaller than the sum of its proper divisors (36833960).

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

33485380 is a wasteful number, since it uses less digits than its factorization.

33485380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1674278 (or 1674276 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 34.

The square root of 33485380 is about 5786.6553379305. The cubic root of 33485380 is about 322.3183842115.

The spelling of 33485380 in words is "thirty-three million, four hundred eighty-five thousand, three hundred eighty".