826928401 has 4 divisors (see below), whose sum is σ = 890538292. Its totient is φ = 763318512.

The previous prime is 826928339. The next prime is 826928411. The reversal of 826928401 is 104829628.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 522076801 + 304851600 = 22849^2 + 17460^2 .

It is a cyclic number.

It is not a de Polignac number, because 826928401 - 2⁷ = 826928273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (826928411) 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, 31804926 + ... + 31804951.

It is an arithmetic number, because the mean of its divisors is an integer number (222634573).

Almost surely, 2^826928401 is an apocalyptic number.

It is an amenable number.

826928401 is a deficient number, since it is larger than the sum of its proper divisors (63609891).

826928401 is a wasteful number, since it uses less digits than its factorization.

826928401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63609890.

The product of its (nonzero) digits is 55296, while the sum is 40.

The square root of 826928401 is about 28756.3627915632. The cubic root of 826928401 is about 938.6189168525.

The spelling of 826928401 in words is "eight hundred twenty-six million, nine hundred twenty-eight thousand, four hundred one".