33876381 has 32 divisors (see below), whose sum is σ = 57397248. Its totient is φ = 17259840.

The previous prime is 33876347. The next prime is 33876413. The reversal of 33876381 is 18367833.

It is not a de Polignac number, because 33876381 - 2⁷ = 33876253 is a prime.

It is a super-2 number, since 2×33876381² = 2295218379314322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33876181) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10860 + ... + 13626.

It is an arithmetic number, because the mean of its divisors is an integer number (1793664).

Almost surely, 2^33876381 is an apocalyptic number.

It is an amenable number.

33876381 is a deficient number, since it is larger than the sum of its proper divisors (23520867).

33876381 is a wasteful number, since it uses less digits than its factorization.

33876381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2841.

The product of its digits is 72576, while the sum is 39.

The square root of 33876381 is about 5820.3420002608. The cubic root of 33876381 is about 323.5680782520.

The spelling of 33876381 in words is "thirty-three million, eight hundred seventy-six thousand, three hundred eighty-one".