853497000 has 320 divisors, whose sum is σ = 3068105040. Its totient is φ = 221184000.

The previous prime is 853496989. The next prime is 853497031. The reversal of 853497000 is 794358.

It can be written as a sum of positive squares in 8 ways, for example, as 43639236 + 809857764 = 6606^2 + 28458^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 3320872 + ... + 3321128.

Almost surely, 2^853497000 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 853497000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1534052520).

853497000 is an abundant number, since it is smaller than the sum of its proper divisors (2214608040).

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

853497000 is a wasteful number, since it uses less digits than its factorization.

853497000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331 (or 308 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 853497000 is about 29214.6709719620. The cubic root of 853497000 is about 948.5655174116.

The spelling of 853497000 in words is "eight hundred fifty-three million, four hundred ninety-seven thousand".