897709532 has 24 divisors (see below), whose sum is σ = 1628186112. Its totient is φ = 432630000.

The previous prime is 897709517. The next prime is 897709583. The reversal of 897709532 is 235907798.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16703 + ... + 45545.

It is an arithmetic number, because the mean of its divisors is an integer number (67841088).

Almost surely, 2^897709532 is an apocalyptic number.

It is an amenable number.

897709532 is a deficient number, since it is larger than the sum of its proper divisors (730476580).

897709532 is a wasteful number, since it uses less digits than its factorization.

897709532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29129 (or 29127 counting only the distinct ones).

The product of its (nonzero) digits is 952560, while the sum is 50.

The square root of 897709532 is about 29961.8012142127. The cubic root of 897709532 is about 964.6696434227.

The spelling of 897709532 in words is "eight hundred ninety-seven million, seven hundred nine thousand, five hundred thirty-two".