9001898 has 8 divisors (see below), whose sum is σ = 13516608. Its totient is φ = 4496364.

The previous prime is 9001897. The next prime is 9001933. The reversal of 9001898 is 8981009.

It is a happy number.

9001898 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not an unprimeable number, because it can be changed into a prime (9001897) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1265 + ... + 4427.

It is an arithmetic number, because the mean of its divisors is an integer number (1689576).

Almost surely, 2^9001898 is an apocalyptic number.

9001898 is a deficient number, since it is larger than the sum of its proper divisors (4514710).

9001898 is a wasteful number, since it uses less digits than its factorization.

9001898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4588.

The product of its (nonzero) digits is 5184, while the sum is 35.

The square root of 9001898 is about 3000.3163166573. The cubic root of 9001898 is about 208.0230034963.

The spelling of 9001898 in words is "nine million, one thousand, eight hundred ninety-eight".