897240450 has 48 divisors (see below), whose sum is σ = 2356054560. Its totient is φ = 225189120.

The previous prime is 897240403. The next prime is 897240493. The reversal of 897240450 is 54042798.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 897240399 and 897240408.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 173380 + ... + 178479.

It is an arithmetic number, because the mean of its divisors is an integer number (49084470).

Almost surely, 2^897240450 is an apocalyptic number.

897240450 is an abundant number, since it is smaller than the sum of its proper divisors (1458814110).

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

897240450 is a wasteful number, since it uses less digits than its factorization.

897240450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 351891 (or 351886 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 39.

The square root of 897240450 is about 29953.9721906795. The cubic root of 897240450 is about 964.5015905469.

The spelling of 897240450 in words is "eight hundred ninety-seven million, two hundred forty thousand, four hundred fifty".