826400474 has 8 divisors (see below), whose sum is σ = 1241351220. Its totient is φ = 412616736.

The previous prime is 826400461. The next prime is 826400503. The reversal of 826400474 is 474004628.

It can be written as a sum of positive squares in 2 ways, for example, as 793830625 + 32569849 = 28175^2 + 5707^2 .

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

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, 289979 + ... + 292814.

Almost surely, 2^826400474 is an apocalyptic number.

826400474 is a deficient number, since it is larger than the sum of its proper divisors (414950746).

826400474 is a wasteful number, since it uses less digits than its factorization.

826400474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 583504.

The product of its (nonzero) digits is 43008, while the sum is 35.

The square root of 826400474 is about 28747.1820184170. The cubic root of 826400474 is about 938.4191302059.

The spelling of 826400474 in words is "eight hundred twenty-six million, four hundred thousand, four hundred seventy-four".