33350390 has 16 divisors (see below), whose sum is σ = 60113232. Its totient is φ = 13321824.

The previous prime is 33350363. The next prime is 33350393. The reversal of 33350390 is 9305333.

It is a super-2 number, since 2×33350390² = 2224497026304200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33350393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7232 + ... + 10908.

It is an arithmetic number, because the mean of its divisors is an integer number (3757077).

Almost surely, 2^33350390 is an apocalyptic number.

33350390 is a deficient number, since it is larger than the sum of its proper divisors (26762842).

33350390 is a wasteful number, since it uses less digits than its factorization.

33350390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4591.

The product of its (nonzero) digits is 3645, while the sum is 26.

The square root of 33350390 is about 5774.9796536438. The cubic root of 33350390 is about 321.8846789436.

The spelling of 33350390 in words is "thirty-three million, three hundred fifty thousand, three hundred ninety".