1028474399 has 8 divisors (see below), whose sum is σ = 1035285888. Its totient is φ = 1021675680.

The previous prime is 1028474353. The next prime is 1028474407. The reversal of 1028474399 is 9934748201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1028474399 - 2²⁸ = 760038943 is a prime.

It is a super-2 number, since 2×1028474399² = 2115519178796822402, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1028474339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 199634 + ... + 204720.

It is an arithmetic number, because the mean of its divisors is an integer number (129410736).

Almost surely, 2^1028474399 is an apocalyptic number.

1028474399 is a deficient number, since it is larger than the sum of its proper divisors (6811489).

1028474399 is a wasteful number, since it uses less digits than its factorization.

1028474399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6385.

The product of its (nonzero) digits is 435456, while the sum is 47.

The square root of 1028474399 is about 32069.8362795946. The cubic root of 1028474399 is about 1009.4027770110.

The spelling of 1028474399 in words is "one billion, twenty-eight million, four hundred seventy-four thousand, three hundred ninety-nine".