897480 has 80 divisors (see below), whose sum is σ = 3027420. Its totient is φ = 238464.

The previous prime is 897473. The next prime is 897497. The reversal of 897480 is 84798.

897480 = T₁₀₈ + T₁₀₉ + ... + T₁₈₇.

897480 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 842724 + 54756 = 918^2 + 234^2 .

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

It is an Ulam number.

It is a plaindrome in base 13.

It is an unprimeable number.

897480 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3102 + ... + 3378.

2⁸⁹⁷⁴⁸⁰ 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 897480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1513710).

897480 is an abundant number, since it is smaller than the sum of its proper divisors (2129940).

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

897480 is a wasteful number, since it uses less digits than its factorization.

897480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300 (or 287 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 36.

The square root of 897480 is about 947.3542104197. The cubic root of 897480 is about 96.4587418821.

It can be divided in two parts, 89 and 7480, that added together give a square (7569 = 87²).

The spelling of 897480 in words is "eight hundred ninety-seven thousand, four hundred eighty".