33949860 has 48 divisors (see below), whose sum is σ = 108640896. Its totient is φ = 7759872.

The previous prime is 33949859. The next prime is 33949879. The reversal of 33949860 is 6894933.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39997 + ... + 40836.

It is an arithmetic number, because the mean of its divisors is an integer number (2263352).

Almost surely, 2^33949860 is an apocalyptic number.

33949860 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

33949860 is an abundant number, since it is smaller than the sum of its proper divisors (74691036).

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

33949860 is a wasteful number, since it uses less digits than its factorization.

33949860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80852 (or 80850 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 42.

The square root of 33949860 is about 5826.6508390327. The cubic root of 33949860 is about 323.8018526290.

The spelling of 33949860 in words is "thirty-three million, nine hundred forty-nine thousand, eight hundred sixty".