1028413784 has 16 divisors (see below), whose sum is σ = 1952685600. Its totient is φ = 507697632.

The previous prime is 1028413751. The next prime is 1028413787. The reversal of 1028413784 is 4873148201.

1028413784 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1028413784² = 2115269822242397312, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1028413787) 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, 812987 + ... + 814250.

It is an arithmetic number, because the mean of its divisors is an integer number (122042850).

Almost surely, 2^1028413784 is an apocalyptic number.

It is an amenable number.

1028413784 is a deficient number, since it is larger than the sum of its proper divisors (924271816).

1028413784 is a wasteful number, since it uses less digits than its factorization.

1028413784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1627322 (or 1627318 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 38.

The square root of 1028413784 is about 32068.8912187497. The cubic root of 1028413784 is about 1009.3829462950.

The spelling of 1028413784 in words is "one billion, twenty-eight million, four hundred thirteen thousand, seven hundred eighty-four".