897619001 has 8 divisors (see below), whose sum is σ = 926979144. Its totient is φ = 868527360.

The previous prime is 897618983. The next prime is 897619007. The reversal of 897619001 is 100916798.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 86508601 + 811110400 = 9301^2 + 28480^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 897619001 - 2¹⁰ = 897617977 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 897619001.

It is not an unprimeable number, because it can be changed into a prime (897619007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60320 + ... + 73713.

It is an arithmetic number, because the mean of its divisors is an integer number (115872393).

Almost surely, 2^897619001 is an apocalyptic number.

It is an amenable number.

897619001 is a deficient number, since it is larger than the sum of its proper divisors (29360143).

897619001 is a wasteful number, since it uses less digits than its factorization.

897619001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134251.

The product of its (nonzero) digits is 27216, while the sum is 41.

The square root of 897619001 is about 29960.2904024644. The cubic root of 897619001 is about 964.6372144315.

The spelling of 897619001 in words is "eight hundred ninety-seven million, six hundred nineteen thousand, one".