33378412 has 12 divisors (see below), whose sum is σ = 61848360. Its totient is φ = 15707456.

The previous prime is 33378409. The next prime is 33378431. The reversal of 33378412 is 21487333.

It is a super-2 number, since 2×33378412² = 2228236775283488, which contains 22 as substring.

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, 245362 + ... + 245497.

It is an arithmetic number, because the mean of its divisors is an integer number (5154030).

Almost surely, 2^33378412 is an apocalyptic number.

It is an amenable number.

33378412 is a deficient number, since it is larger than the sum of its proper divisors (28469948).

33378412 is a wasteful number, since it uses less digits than its factorization.

33378412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 490880 (or 490878 counting only the distinct ones).

The product of its digits is 12096, while the sum is 31.

The square root of 33378412 is about 5777.4052999595. The cubic root of 33378412 is about 321.9748060995.

The spelling of 33378412 in words is "thirty-three million, three hundred seventy-eight thousand, four hundred twelve".