33420354 has 64 divisors (see below), whose sum is σ = 79488000. Its totient is φ = 9253440.

The previous prime is 33420347. The next prime is 33420389. The reversal of 33420354 is 45302433.

It is a super-2 number, since 2×33420354² = 2233840122970632, 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, 35907 + ... + 36825.

It is an arithmetic number, because the mean of its divisors is an integer number (1242000).

Almost surely, 2^33420354 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 33420354, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39744000).

33420354 is an abundant number, since it is smaller than the sum of its proper divisors (46067646).

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

33420354 is a wasteful number, since it uses less digits than its factorization.

33420354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 983.

The product of its (nonzero) digits is 4320, while the sum is 24.

The square root of 33420354 is about 5781.0339905591. The cubic root of 33420354 is about 322.1096099457.

Adding to 33420354 its reverse (45302433), we get a palindrome (78722787).

The spelling of 33420354 in words is "thirty-three million, four hundred twenty thousand, three hundred fifty-four".