826401834 has 12 divisors (see below), whose sum is σ = 1790537346. Its totient is φ = 275467272.

The previous prime is 826401817. The next prime is 826401859. The reversal of 826401834 is 438104628.

826401834 is a `hidden beast` number, since 8 + 2 + 640 + 1 + 8 + 3 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 519976809 + 306425025 = 22803^2 + 17505^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 22955589 + ... + 22955624.

Almost surely, 2^826401834 is an apocalyptic number.

826401834 is an abundant number, since it is smaller than the sum of its proper divisors (964135512).

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

826401834 is a wasteful number, since it uses less digits than its factorization.

826401834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45911221 (or 45911218 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 36.

The square root of 826401834 is about 28747.2056728998. The cubic root of 826401834 is about 938.4196449883.

The spelling of 826401834 in words is "eight hundred twenty-six million, four hundred one thousand, eight hundred thirty-four".