826269428 has 12 divisors (see below), whose sum is σ = 1531028772. Its totient is φ = 388832640.

The previous prime is 826269427. The next prime is 826269439. The reversal of 826269428 is 824962628.

It can be written as a sum of positive squares in 2 ways, for example, as 367795684 + 458473744 = 19178^2 + 21412^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (826269427) 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, 6075443 + ... + 6075578.

It is an arithmetic number, because the mean of its divisors is an integer number (127585731).

Almost surely, 2^826269428 is an apocalyptic number.

It is an amenable number.

826269428 is a deficient number, since it is larger than the sum of its proper divisors (704759344).

826269428 is a wasteful number, since it uses less digits than its factorization.

826269428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12151042 (or 12151040 counting only the distinct ones).

The product of its digits is 663552, while the sum is 47.

The square root of 826269428 is about 28744.9026437732. The cubic root of 826269428 is about 938.3695244848.

The spelling of 826269428 in words is "eight hundred twenty-six million, two hundred sixty-nine thousand, four hundred twenty-eight".