1028831419 has 24 divisors (see below), whose sum is σ = 1298352384. Its totient is φ = 798006000.

The previous prime is 1028831411. The next prime is 1028831443. The reversal of 1028831419 is 9141388201.

It is not a de Polignac number, because 1028831419 - 2³ = 1028831411 is a prime.

It is a super-2 number, since 2×1028831419² = 2116988177443107122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1028831411) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 189594 + ... + 194944.

It is an arithmetic number, because the mean of its divisors is an integer number (54098016).

Almost surely, 2^1028831419 is an apocalyptic number.

1028831419 is a deficient number, since it is larger than the sum of its proper divisors (269520965).

1028831419 is a wasteful number, since it uses less digits than its factorization.

1028831419 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5607 (or 5596 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 37.

The square root of 1028831419 is about 32075.4020863340. The cubic root of 1028831419 is about 1009.5195633527.

The spelling of 1028831419 in words is "one billion, twenty-eight million, eight hundred thirty-one thousand, four hundred nineteen".