802646242 has 8 divisors (see below), whose sum is σ = 1220462316. Its totient is φ = 395825472.

The previous prime is 802646239. The next prime is 802646261. The reversal of 802646242 is 242646208.

It can be written as a sum of positive squares in 2 ways, for example, as 715616001 + 87030241 = 26751^2 + 9329^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 802646198 and 802646207.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2748643 + ... + 2748934.

Almost surely, 2^802646242 is an apocalyptic number.

802646242 is a deficient number, since it is larger than the sum of its proper divisors (417816074).

802646242 is a wasteful number, since it uses less digits than its factorization.

802646242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5497652.

The product of its (nonzero) digits is 36864, while the sum is 34.

The square root of 802646242 is about 28331.0120186343. The cubic root of 802646242 is about 929.3402041527.

Subtracting from 802646242 its sum of digits (34), we obtain a palindrome (802646208).

The spelling of 802646242 in words is "eight hundred two million, six hundred forty-six thousand, two hundred forty-two".