826672401 has 6 divisors (see below), whose sum is σ = 1194082370. Its totient is φ = 551114928.

The previous prime is 826672397. The next prime is 826672409. The reversal of 826672401 is 104276628.

It can be written as a sum of positive squares in only one way, i.e., 819104400 + 7568001 = 28620^2 + 2751^2 .

It is not a de Polignac number, because 826672401 - 2² = 826672397 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (826672409) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 45926236 + ... + 45926253.

Almost surely, 2^826672401 is an apocalyptic number.

It is an amenable number.

826672401 is a deficient number, since it is larger than the sum of its proper divisors (367409969).

826672401 is a wasteful number, since it uses less digits than its factorization.

826672401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91852495 (or 91852492 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 826672401 is about 28751.9112582103. The cubic root of 826672401 is about 938.5220478279.

The spelling of 826672401 in words is "eight hundred twenty-six million, six hundred seventy-two thousand, four hundred one".