7897001 has 4 divisors (see below), whose sum is σ = 9025152. Its totient is φ = 6768852.

The previous prime is 7896997. The next prime is 7897003. The reversal of 7897001 is 1007987.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1007987 = 71 ⋅14197.

It is a cyclic number.

It is not a de Polignac number, because 7897001 - 2² = 7896997 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7897003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 564065 + ... + 564078.

It is an arithmetic number, because the mean of its divisors is an integer number (2256288).

Almost surely, 2^7897001 is an apocalyptic number.

It is an amenable number.

7897001 is a deficient number, since it is larger than the sum of its proper divisors (1128151).

7897001 is a wasteful number, since it uses less digits than its factorization.

7897001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1128150.

The product of its (nonzero) digits is 3528, while the sum is 32.

The square root of 7897001 is about 2810.1603157115. The cubic root of 7897001 is about 199.1379648149.

It can be divided in two parts, 78 and 97001, that added together give a palindrome (97079).

The spelling of 7897001 in words is "seven million, eight hundred ninety-seven thousand, one".