33481861 has 8 divisors (see below), whose sum is σ = 38433920. Its totient is φ = 28572048.

The previous prime is 33481853. The next prime is 33481883. The reversal of 33481861 is 16818433.

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 33481861 - 2³ = 33481853 is a prime.

It is a super-2 number, since 2×33481861² = 2242070032046642, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33481801) 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, 8841 + ... + 12046.

It is an arithmetic number, because the mean of its divisors is an integer number (4804240).

Almost surely, 2^33481861 is an apocalyptic number.

It is an amenable number.

33481861 is a deficient number, since it is larger than the sum of its proper divisors (4952059).

33481861 is a wasteful number, since it uses less digits than its factorization.

33481861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21123.

The product of its digits is 13824, while the sum is 34.

The square root of 33481861 is about 5786.3512682864. The cubic root of 33481861 is about 322.3070929342.

The spelling of 33481861 in words is "thirty-three million, four hundred eighty-one thousand, eight hundred sixty-one".