853403628 has 192 divisors, whose sum is σ = 2600091648. Its totient is φ = 211438080.

The previous prime is 853403611. The next prime is 853403633. The reversal of 853403628 is 826304358.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1867176 + ... + 1867632.

It is an arithmetic number, because the mean of its divisors is an integer number (13542144).

Almost surely, 2^853403628 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 853403628, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1300045824).

853403628 is an abundant number, since it is smaller than the sum of its proper divisors (1746688020).

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

853403628 is a wasteful number, since it uses less digits than its factorization.

853403628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 572 (or 570 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 39.

The square root of 853403628 is about 29213.0728955377. The cubic root of 853403628 is about 948.5309253394.

The spelling of 853403628 in words is "eight hundred fifty-three million, four hundred three thousand, six hundred twenty-eight".