1009898 has 8 divisors (see below), whose sum is σ = 1550208. Its totient is φ = 493164.

The previous prime is 1009873. The next prime is 1009901. The reversal of 1009898 is 8989001.

It is a happy number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5786 + ... + 5957.

It is an arithmetic number, because the mean of its divisors is an integer number (193776).

2^1009898 is an apocalyptic number.

1009898 is a deficient number, since it is larger than the sum of its proper divisors (540310).

1009898 is a wasteful number, since it uses less digits than its factorization.

1009898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11788.

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

The square root of 1009898 is about 1004.9368139341. The cubic root of 1009898 is about 100.3288507199.

The spelling of 1009898 in words is "one million, nine thousand, eight hundred ninety-eight".