869300621 has 12 divisors (see below), whose sum is σ = 1011748860. Its totient is φ = 744730560.

The previous prime is 869300591. The next prime is 869300633. The reversal of 869300621 is 126003968.

It can be written as a sum of positive squares in 2 ways, for example, as 375972100 + 493328521 = 19390^2 + 22211^2 .

It is a de Polignac number, because none of the positive numbers 2^k-869300621 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (869300651) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 133481 + ... + 139841.

It is an arithmetic number, because the mean of its divisors is an integer number (84312405).

Almost surely, 2^869300621 is an apocalyptic number.

It is an amenable number.

869300621 is a deficient number, since it is larger than the sum of its proper divisors (142448239).

869300621 is a wasteful number, since it uses less digits than its factorization.

869300621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9164 (or 9157 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 869300621 is about 29483.9044395412. The cubic root of 869300621 is about 954.3843957085.

The spelling of 869300621 in words is "eight hundred sixty-nine million, three hundred thousand, six hundred twenty-one".