900898393 has 4 divisors (see below), whose sum is σ = 903572020. Its totient is φ = 898224768.

The previous prime is 900898387. The next prime is 900898417. The reversal of 900898393 is 393898009.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 680583744 + 220314649 = 26088^2 + 14843^2 .

It is a cyclic number.

It is not a de Polignac number, because 900898393 - 2²⁹ = 364027481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (900898333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1336308 + ... + 1336981.

It is an arithmetic number, because the mean of its divisors is an integer number (225893005).

Almost surely, 2^900898393 is an apocalyptic number.

It is an amenable number.

900898393 is a deficient number, since it is larger than the sum of its proper divisors (2673627).

900898393 is a wasteful number, since it uses less digits than its factorization.

900898393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2673626.

The product of its (nonzero) digits is 419904, while the sum is 49.

The square root of 900898393 is about 30014.9694819102. The cubic root of 900898393 is about 965.8105329209.

The spelling of 900898393 in words is "nine hundred million, eight hundred ninety-eight thousand, three hundred ninety-three".