33890316 has 96 divisors (see below), whose sum is σ = 90574848. Its totient is φ = 9799680.

The previous prime is 33890291. The next prime is 33890327. The reversal of 33890316 is 61309833.

It is a super-2 number, since 2×33890316² = 2297107037159712, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 145336 + ... + 145568.

It is an arithmetic number, because the mean of its divisors is an integer number (943488).

Almost surely, 2^33890316 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 33890316, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45287424).

33890316 is an abundant number, since it is smaller than the sum of its proper divisors (56684532).

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

33890316 is a wasteful number, since it uses less digits than its factorization.

33890316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311 (or 309 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 33.

The square root of 33890316 is about 5821.5389717840. The cubic root of 33890316 is about 323.6124385894.

The spelling of 33890316 in words is "thirty-three million, eight hundred ninety thousand, three hundred sixteen".