897035490 has 96 divisors (see below), whose sum is σ = 2527289856. Its totient is φ = 219438720.

The previous prime is 897035473. The next prime is 897035501. The reversal of 897035490 is 94530798.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 193095 + ... + 197685.

It is an arithmetic number, because the mean of its divisors is an integer number (26325936).

Almost surely, 2^897035490 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 897035490, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1263644928).

897035490 is an abundant number, since it is smaller than the sum of its proper divisors (1630254366).

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

897035490 is a wasteful number, since it uses less digits than its factorization.

897035490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4784 (or 4781 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 45.

The square root of 897035490 is about 29950.5507461883. The cubic root of 897035490 is about 964.4281433825.

The spelling of 897035490 in words is "eight hundred ninety-seven million, thirty-five thousand, four hundred ninety".