33865038 has 12 divisors (see below), whose sum is σ = 73374288. Its totient is φ = 11288340.

The previous prime is 33865033. The next prime is 33865063. The reversal of 33865038 is 83056833.

It is a super-2 number, since 2×33865038² = 2293681597482888, which contains 22 as substring.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 33864993 and 33865011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33865033) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 940678 + ... + 940713.

It is an arithmetic number, because the mean of its divisors is an integer number (6114524).

Almost surely, 2^33865038 is an apocalyptic number.

33865038 is an abundant number, since it is smaller than the sum of its proper divisors (39509250).

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

33865038 is a wasteful number, since it uses less digits than its factorization.

33865038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1881399 (or 1881396 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 33865038 is about 5819.3674914032. The cubic root of 33865038 is about 323.5319602418.

The spelling of 33865038 in words is "thirty-three million, eight hundred sixty-five thousand, thirty-eight".