801990633 has 8 divisors (see below), whose sum is σ = 1069452288. Its totient is φ = 534594704.

The previous prime is 801990619. The next prime is 801990641. The reversal of 801990633 is 336099108.

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 801990633 - 2⁴ = 801990617 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 801990591 and 801990600.

It is not an unprimeable number, because it can be changed into a prime (801990433) 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, 35416 + ... + 53462.

It is an arithmetic number, because the mean of its divisors is an integer number (133681536).

Almost surely, 2^801990633 is an apocalyptic number.

It is an amenable number.

801990633 is a deficient number, since it is larger than the sum of its proper divisors (267461655).

801990633 is a wasteful number, since it uses less digits than its factorization.

801990633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32863.

The product of its (nonzero) digits is 34992, while the sum is 39.

The square root of 801990633 is about 28319.4391363953. The cubic root of 801990633 is about 929.0871039553.

The spelling of 801990633 in words is "eight hundred one million, nine hundred ninety thousand, six hundred thirty-three".