764897 has 8 divisors (see below), whose sum is σ = 882816. Its totient is φ = 649152.

The previous prime is 764893. The next prime is 764899. The reversal of 764897 is 798467.

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

It is not a de Polignac number, because 764897 - 2² = 764893 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (764891) 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, 308 + ... + 1274.

It is an arithmetic number, because the mean of its divisors is an integer number (110352).

2⁷⁶⁴⁸⁹⁷ is an apocalyptic number.

It is an amenable number.

764897 is a deficient number, since it is larger than the sum of its proper divisors (117919).

764897 is a wasteful number, since it uses less digits than its factorization.

764897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1087.

The product of its digits is 84672, while the sum is 41.

The square root of 764897 is about 874.5839010638. The cubic root of 764897 is about 91.4536379140.

It can be divided in two parts, 764 and 897, that added together give a palindrome (1661).

The spelling of 764897 in words is "seven hundred sixty-four thousand, eight hundred ninety-seven".