898373993 has 16 divisors (see below), whose sum is σ = 1042087680. Its totient is φ = 765408000.

The previous prime is 898373981. The next prime is 898373999. The reversal of 898373993 is 399373898.

It is not a de Polignac number, because 898373993 - 2⁸ = 898373737 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (898373999) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34643 + ... + 54743.

It is an arithmetic number, because the mean of its divisors is an integer number (65130480).

Almost surely, 2^898373993 is an apocalyptic number.

It is an amenable number.

898373993 is a deficient number, since it is larger than the sum of its proper divisors (143713687).

898373993 is a wasteful number, since it uses less digits than its factorization.

898373993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20368.

The product of its digits is 8817984, while the sum is 59.

The square root of 898373993 is about 29972.8876319917. The cubic root of 898373993 is about 964.9075924293.

The spelling of 898373993 in words is "eight hundred ninety-eight million, three hundred seventy-three thousand, nine hundred ninety-three".