33842340 has 144 divisors (see below), whose sum is σ = 122572800. Its totient is φ = 7729344.

The previous prime is 33842327. The next prime is 33842351. The reversal of 33842340 is 4324833.

It is a super-2 number, since 2×33842340² = 2290607953351200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 25821 + ... + 27099.

It is an arithmetic number, because the mean of its divisors is an integer number (851200).

Almost surely, 2^33842340 is an apocalyptic number.

33842340 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 33842340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61286400).

33842340 is an abundant number, since it is smaller than the sum of its proper divisors (88730460).

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

33842340 is a wasteful number, since it uses less digits than its factorization.

33842340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1311 (or 1296 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

The square root of 33842340 is about 5817.4169525658. The cubic root of 33842340 is about 323.4596617875.

The spelling of 33842340 in words is "thirty-three million, eight hundred forty-two thousand, three hundred forty".