8260642 has 8 divisors (see below), whose sum is σ = 13344156. Its totient is φ = 3812592.

The previous prime is 8260627. The next prime is 8260643. The reversal of 8260642 is 2460628.

It can be written as a sum of positive squares in 2 ways, for example, as 5861241 + 2399401 = 2421^2 + 1549^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 8260642.

It is not an unprimeable number, because it can be changed into a prime (8260643) 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, 158833 + ... + 158884.

Almost surely, 2^8260642 is an apocalyptic number.

8260642 is a deficient number, since it is larger than the sum of its proper divisors (5083514).

8260642 is a wasteful number, since it uses less digits than its factorization.

8260642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317732.

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 8260642 is about 2874.1332606544. The cubic root of 8260642 is about 202.1488462785.

It can be divided in two parts, 8 and 260642, that multiplied together give a 4-th power (2085136 = 38⁴).

The spelling of 8260642 in words is "eight million, two hundred sixty thousand, six hundred forty-two".