926680643 has 4 divisors (see below), whose sum is σ = 1059063600. Its totient is φ = 794297688.

The previous prime is 926680637. The next prime is 926680661. The reversal of 926680643 is 346086629.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 926680643 - 2⁴ = 926680627 is a prime.

It is a super-2 number, since 2×926680643² = 1717474028221786898, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 926680594 and 926680603.

It is not an unprimeable number, because it can be changed into a prime (926680663) 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, 66191468 + ... + 66191481.

It is an arithmetic number, because the mean of its divisors is an integer number (264765900).

Almost surely, 2^926680643 is an apocalyptic number.

926680643 is a deficient number, since it is larger than the sum of its proper divisors (132382957).

926680643 is a wasteful number, since it uses less digits than its factorization.

926680643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132382956.

The product of its (nonzero) digits is 373248, while the sum is 44.

The square root of 926680643 is about 30441.4297134678. The cubic root of 926680643 is about 974.9373242201.

The spelling of 926680643 in words is "nine hundred twenty-six million, six hundred eighty thousand, six hundred forty-three".