8721350 has 48 divisors (see below), whose sum is σ = 17985456. Its totient is φ = 3120000.

The previous prime is 8721329. The next prime is 8721359. The reversal of 8721350 is 531278.

8721350 is nontrivially palindromic in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8721359) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 55472 + ... + 55628.

It is an arithmetic number, because the mean of its divisors is an integer number (374697).

Almost surely, 2^8721350 is an apocalyptic number.

8721350 is an abundant number, since it is smaller than the sum of its proper divisors (9264106).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8721350 is a wasteful number, since it uses less digits than its factorization.

8721350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281 (or 276 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 8721350 is about 2953.1931870435. The cubic root of 8721350 is about 205.8391146495.

It can be divided in two parts, 872 and 1350, that added together give a palindrome (2222).

The spelling of 8721350 in words is "eight million, seven hundred twenty-one thousand, three hundred fifty".