1084402420 has 24 divisors (see below), whose sum is σ = 2277863784. Its totient is φ = 433643136.

The previous prime is 1084402391. The next prime is 1084402421. The reversal of 1084402420 is 242044801.

It can be written as a sum of positive squares in 4 ways, for example, as 521574244 + 562828176 = 22838^2 + 23724^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1084402421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 140502 + ... + 148018.

It is an arithmetic number, because the mean of its divisors is an integer number (94910991).

Almost surely, 2^1084402420 is an apocalyptic number.

1084402420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1084402420 is an abundant number, since it is smaller than the sum of its proper divisors (1193461364).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1084402420 is a wasteful number, since it uses less digits than its factorization.

1084402420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14739 (or 14737 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 25.

The square root of 1084402420 is about 32930.2660177533. The cubic root of 1084402420 is about 1027.3777581046.

The spelling of 1084402420 in words is "one billion, eighty-four million, four hundred two thousand, four hundred twenty".