33384740 has 12 divisors (see below), whose sum is σ = 70107996. Its totient is φ = 13353888.

The previous prime is 33384739. The next prime is 33384763. The reversal of 33384740 is 4748333.

It can be written as a sum of positive squares in 2 ways, for example, as 19307236 + 14077504 = 4394^2 + 3752^2 .

It is a super-2 number, since 2×33384740² = 2229081729735200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33384697 and 33384706.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 834599 + ... + 834638.

It is an arithmetic number, because the mean of its divisors is an integer number (5842333).

Almost surely, 2^33384740 is an apocalyptic number.

It is an amenable number.

33384740 is an abundant number, since it is smaller than the sum of its proper divisors (36723256).

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

33384740 is a wasteful number, since it uses less digits than its factorization.

33384740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1669246 (or 1669244 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 32.

The square root of 33384740 is about 5777.9529246957. The cubic root of 33384740 is about 321.9951518630.

The spelling of 33384740 in words is "thirty-three million, three hundred eighty-four thousand, seven hundred forty".