826747242 has 16 divisors (see below), whose sum is σ = 1664028192. Its totient is φ = 273826800.

The previous prime is 826747223. The next prime is 826747253. The reversal of 826747242 is 242747628.

It is a super-2 number, since 2×826747242² = 1367022004309213128, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 826747194 and 826747203.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 437884 + ... + 439767.

It is an arithmetic number, because the mean of its divisors is an integer number (104001762).

Almost surely, 2^826747242 is an apocalyptic number.

826747242 is an abundant number, since it is smaller than the sum of its proper divisors (837280950).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

826747242 is a wasteful number, since it uses less digits than its factorization.

826747242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 877813.

The product of its digits is 301056, while the sum is 42.

The square root of 826747242 is about 28753.2127248417. The cubic root of 826747242 is about 938.5503693286.

The spelling of 826747242 in words is "eight hundred twenty-six million, seven hundred forty-seven thousand, two hundred forty-two".