900199001 has 8 divisors (see below), whose sum is σ = 1011595200. Its totient is φ = 794824272.

The previous prime is 900198979. The next prime is 900199009. The reversal of 900199001 is 100991009.

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 900199001 - 2¹⁴ = 900182617 is a prime.

It is not an unprimeable number, because it can be changed into a prime (900199009) 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, 1505051 + ... + 1505648.

It is an arithmetic number, because the mean of its divisors is an integer number (126449400).

Almost surely, 2^900199001 is an apocalyptic number.

It is an amenable number.

900199001 is a deficient number, since it is larger than the sum of its proper divisors (111396199).

900199001 is a wasteful number, since it uses less digits than its factorization.

900199001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3010735.

The product of its (nonzero) digits is 729, while the sum is 29.

The square root of 900199001 is about 30003.3165000138. The cubic root of 900199001 is about 965.5605398626.

The spelling of 900199001 in words is "nine hundred million, one hundred ninety-nine thousand, one".