790643 has 8 divisors (see below), whose sum is σ = 910080. Its totient is φ = 672840.

The previous prime is 790637. The next prime is 790649. The reversal of 790643 is 346097.

It is an interprime number because it is at equal distance from previous prime (790637) and next prime (790649).

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

It is not a de Polignac number, because 790643 - 2¹² = 786547 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (790649) 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, 938 + ... + 1568.

It is an arithmetic number, because the mean of its divisors is an integer number (113760).

2⁷⁹⁰⁶⁴³ is an apocalyptic number.

790643 is a deficient number, since it is larger than the sum of its proper divisors (119437).

790643 is a wasteful number, since it uses less digits than its factorization.

790643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 817.

The product of its (nonzero) digits is 4536, while the sum is 29.

The square root of 790643 is about 889.1810839194. The cubic root of 790643 is about 92.4684284755.

It can be divided in two parts, 7 and 90643, that multiplied together give a triangular number (634501 = T₁₁₂₆).

The spelling of 790643 in words is "seven hundred ninety thousand, six hundred forty-three".