33387061 has 16 divisors (see below), whose sum is σ = 35633664. Its totient is φ = 31238784.

The previous prime is 33387043. The next prime is 33387071. The reversal of 33387061 is 16078333.

It is a cyclic number.

It is not a de Polignac number, because 33387061 - 2¹¹ = 33385013 is a prime.

It is a super-2 number, since 2×33387061² = 2229391684435442, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33387001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 126816 + ... + 127078.

It is an arithmetic number, because the mean of its divisors is an integer number (2227104).

Almost surely, 2^33387061 is an apocalyptic number.

It is an amenable number.

33387061 is a deficient number, since it is larger than the sum of its proper divisors (2246603).

33387061 is a wasteful number, since it uses less digits than its factorization.

33387061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 420.

The product of its (nonzero) digits is 9072, while the sum is 31.

The square root of 33387061 is about 5778.1537708856. The cubic root of 33387061 is about 322.0026136897.

The spelling of 33387061 in words is "thirty-three million, three hundred eighty-seven thousand, sixty-one".