807641 has 4 divisors (see below), whose sum is σ = 809472. Its totient is φ = 805812.

The previous prime is 807637. The next prime is 807647. The reversal of 807641 is 146708.

807641 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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.

It is a cyclic number.

It is not a de Polignac number, because 807641 - 2² = 807637 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 807641.

It is not an unprimeable number, because it can be changed into a prime (807647) 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, 200 + ... + 1286.

It is an arithmetic number, because the mean of its divisors is an integer number (202368).

2⁸⁰⁷⁶⁴¹ is an apocalyptic number.

It is an amenable number.

807641 is a deficient number, since it is larger than the sum of its proper divisors (1831).

807641 is a wasteful number, since it uses less digits than its factorization.

807641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1830.

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 807641 is about 898.6884888547. The cubic root of 807641 is about 93.1263938353.

The spelling of 807641 in words is "eight hundred seven thousand, six hundred forty-one".