828032401 has 4 divisors (see below), whose sum is σ = 946322752. Its totient is φ = 709742052.

The previous prime is 828032399. The next prime is 828032437. The reversal of 828032401 is 104230828.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 828032401 - 2¹ = 828032399 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 828032401.

It is not an unprimeable number, because it can be changed into a prime (828032461) 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, 59145165 + ... + 59145178.

It is an arithmetic number, because the mean of its divisors is an integer number (236580688).

Almost surely, 2^828032401 is an apocalyptic number.

It is an amenable number.

828032401 is a deficient number, since it is larger than the sum of its proper divisors (118290351).

828032401 is a wasteful number, since it uses less digits than its factorization.

828032401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118290350.

The product of its (nonzero) digits is 3072, while the sum is 28.

The square root of 828032401 is about 28775.5521406627. The cubic root of 828032401 is about 939.0364356602.

The spelling of 828032401 in words is "eight hundred twenty-eight million, thirty-two thousand, four hundred one".