33870641 has 8 divisors (see below), whose sum is σ = 39144960. Its totient is φ = 28705248.

The previous prime is 33870611. The next prime is 33870649. The reversal of 33870641 is 14607833.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 33870641 - 2¹⁰ = 33869617 is a prime.

It is a super-2 number, since 2×33870641² = 2294440643501762, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 33870598 and 33870607.

It is not an unprimeable number, because it can be changed into a prime (33870649) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26561 + ... + 27806.

It is an arithmetic number, because the mean of its divisors is an integer number (4893120).

Almost surely, 2^33870641 is an apocalyptic number.

It is an amenable number.

33870641 is a deficient number, since it is larger than the sum of its proper divisors (5274319).

33870641 is an equidigital number, since it uses as much as digits as its factorization.

33870641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54463.

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 33870641 is about 5819.8488811996. The cubic root of 33870641 is about 323.5498021393.

The spelling of 33870641 in words is "thirty-three million, eight hundred seventy thousand, six hundred forty-one".