10398787 has 4 divisors (see below), whose sum is σ = 11884336. Its totient is φ = 8913240.

The previous prime is 10398779. The next prime is 10398793. The reversal of 10398787 is 78789301.

10398787 is digitally balanced in base 2, base 3 and base 8, because in such bases it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 10398787 - 2³ = 10398779 is a prime.

It is a Duffinian number.

10398787 is strictly pandigital in base 8.

It is not an unprimeable number, because it can be changed into a prime (10398587) 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, 742764 + ... + 742777.

It is an arithmetic number, because the mean of its divisors is an integer number (2971084).

Almost surely, 2^10398787 is an apocalyptic number.

10398787 is a deficient number, since it is larger than the sum of its proper divisors (1485549).

10398787 is an equidigital number, since it uses as much as digits as its factorization.

10398787 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1485548.

The product of its (nonzero) digits is 84672, while the sum is 43.

The square root of 10398787 is about 3224.7150261690. The cubic root of 10398787 is about 218.2700900030.

The spelling of 10398787 in words is "ten million, three hundred ninety-eight thousand, seven hundred eighty-seven".