33850921 has 8 divisors (see below), whose sum is σ = 36618624. Its totient is φ = 31106640.

The previous prime is 33850907. The next prime is 33850937. The reversal of 33850921 is 12905833.

It is a happy number.

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 33850921 - 2⁹ = 33850409 is a prime.

It is a super-2 number, since 2×33850921² = 2291769705096482, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (33850991) 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, 2785 + ... + 8686.

It is an arithmetic number, because the mean of its divisors is an integer number (4577328).

Almost surely, 2^33850921 is an apocalyptic number.

It is an amenable number.

33850921 is a deficient number, since it is larger than the sum of its proper divisors (2767703).

33850921 is a wasteful number, since it uses less digits than its factorization.

33850921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11711.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 33850921 is about 5818.1544324640. The cubic root of 33850921 is about 323.4869980847.

The spelling of 33850921 in words is "thirty-three million, eight hundred fifty thousand, nine hundred twenty-one".